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Dissertations / Theses on the topic "Gaz carbonique – Aspect de l'environnement"
Denis, Mireille. "Dosage et mécanisme d'émission de vapeurs dans l'air au voisinage de résines usées de la centrale nucléaire Gentilly-2." Thesis, Université Laval, 2012. http://www.theses.ulaval.ca/2012/29210/29210.pdf.
Full textBreton, Charles, and Charles Breton. "Évaluation des impacts environnementaux des bâtiments en bois : analyse du cycle de vie dynamique du carbone biogénique." Master's thesis, Université Laval, 2019. http://hdl.handle.net/20.500.11794/37877.
Full textTableau d'honneur de la Faculté des études supérieures et postdoctorales, 2019-2020
Le secteur du bâtiment émet jusqu’à 30% des émissions de gaz à effet de serre (GES) mondiales. Au Canada, il émet 12% des émissions de GES directes et subira une croissance importante d’ici 2030. Accroître l’utilisation des produits du bois pourrait diminuer les impacts climatiques attribués au secteur du bâtiment, ce qui contribuerait à l’atteinte des cibles nationales de réduction des émissions de GES. En stimulant un aménagement forestier durable, cela limiterait aussi les émissions de GES en forêt, en diminuant par exemple les risques de perturbations naturelles. Une gestion intégrée stimulant les secteurs du bâtiment, de la forêt et des produits du bois générerait un maximum de bénéfices environnementaux (i) en maintenant ou augmentant les stocks de carbone en forêt; (ii) en augmentant le stockage temporaire dans les produits du bois; (iii) en encourageant la substitution de matériaux à plus haute empreinte carbone. Le potentiel réel des stratégies d’atténuation faisant intervenir les produits du bois est difficile à quantifier. L'analyse du cycle de vie (ACV) est un outil utilisé en génie environnemental pour déterminer les impacts environnementaux d'un produit ou d'un service sur son cycle de vie. Cependant, en ACV, il n'existe aucun consensus sur la modélisation du carbone issu de processus biologiques, le carbone biogénique. Les ACV traditionnelles (statiques) ne considèrent pas l’influence des aspects temporels; elles reposent souvent sur les hypothèses que le carbone biogénique est (1) carboneutre ou (2) entièrement émis à la récolte. Ceci est problématique car les impacts climatiques d’un GES sont liés aux variations de sa concentration atmosphérique dans le temps. Les méthodes statiques peuvent donc mener à d’importantes erreurs d’estimation. Par exemple, 57% du carbone séquestré dans les produits du bois canadiens entre 1990 et 2008 est encore stocké dans l’anthroposphère. Considérer ce carboneentièrement émis induit une erreur d’estimation de 675 Mt CO2, l’équivalent de 92% des émissions de GES canadiennes en 2014. Les méthodes dites dynamiques permettent de considérer l’influence d’aspects temporels en ACV. Elles permettent d’éviter les hypothèses simplificatrices (1) et (2). Cependant, ces méthodes sont relativement récentes. Il existe peu d’exemples de leur application dans la littérature, notamment dans le domaine de l’ACV du bâtiment, où leur complexité additionnelle en termes de ressources (temps, données) est un enjeu important. L’objectif de ce projet est de comparer les résultats des méthodes statique et dynamique pour l’évaluation des impacts climatiques des produits du bois en ACV du bâtiment. Plus spécifiquement, cet objectif implique d’identifier une méthode dynamique adaptée à l’ACV du bâtiment, puis de l’utiliser dans une étude de cas. Ces objectifs spécifiques sont couverts dans deux articles. Le premier article dresse une revue critique des méthodes de modélisation du carbone biogénique en ACV et identifie la méthode dynamique du potentiel de réchauffement global biogénique (PRGbio) comme bien adaptée à l’ACV du bâtiment. Celle-ci permet d’intégrer des aspects dynamiques à l’ACV du bâtiment sans trop complexifier la collecte de données d’inventaire du cycle de vie. Le second article décrit l’application de la méthode PRGbio à l’étude de cas des Habitations Trentino, un bâtiment en bois situé à Québec. Comparativement à une approche statique, l’approche dynamique entraîne une réduction des impacts climatiques liés à l’utilisation des produits du bois. Ce résultat suggère que les méthodes d’ACV actuelles surévaluent les impacts environnementaux du carbone biogénique, et que des politiques encourageant la construction en bois auraient un potentiel d’atténuation des changements climatiques prometteur.
Le secteur du bâtiment émet jusqu’à 30% des émissions de gaz à effet de serre (GES) mondiales. Au Canada, il émet 12% des émissions de GES directes et subira une croissance importante d’ici 2030. Accroître l’utilisation des produits du bois pourrait diminuer les impacts climatiques attribués au secteur du bâtiment, ce qui contribuerait à l’atteinte des cibles nationales de réduction des émissions de GES. En stimulant un aménagement forestier durable, cela limiterait aussi les émissions de GES en forêt, en diminuant par exemple les risques de perturbations naturelles. Une gestion intégrée stimulant les secteurs du bâtiment, de la forêt et des produits du bois générerait un maximum de bénéfices environnementaux (i) en maintenant ou augmentant les stocks de carbone en forêt; (ii) en augmentant le stockage temporaire dans les produits du bois; (iii) en encourageant la substitution de matériaux à plus haute empreinte carbone. Le potentiel réel des stratégies d’atténuation faisant intervenir les produits du bois est difficile à quantifier. L'analyse du cycle de vie (ACV) est un outil utilisé en génie environnemental pour déterminer les impacts environnementaux d'un produit ou d'un service sur son cycle de vie. Cependant, en ACV, il n'existe aucun consensus sur la modélisation du carbone issu de processus biologiques, le carbone biogénique. Les ACV traditionnelles (statiques) ne considèrent pas l’influence des aspects temporels; elles reposent souvent sur les hypothèses que le carbone biogénique est (1) carboneutre ou (2) entièrement émis à la récolte. Ceci est problématique car les impacts climatiques d’un GES sont liés aux variations de sa concentration atmosphérique dans le temps. Les méthodes statiques peuvent donc mener à d’importantes erreurs d’estimation. Par exemple, 57% du carbone séquestré dans les produits du bois canadiens entre 1990 et 2008 est encore stocké dans l’anthroposphère. Considérer ce carboneentièrement émis induit une erreur d’estimation de 675 Mt CO2, l’équivalent de 92% des émissions de GES canadiennes en 2014. Les méthodes dites dynamiques permettent de considérer l’influence d’aspects temporels en ACV. Elles permettent d’éviter les hypothèses simplificatrices (1) et (2). Cependant, ces méthodes sont relativement récentes. Il existe peu d’exemples de leur application dans la littérature, notamment dans le domaine de l’ACV du bâtiment, où leur complexité additionnelle en termes de ressources (temps, données) est un enjeu important. L’objectif de ce projet est de comparer les résultats des méthodes statique et dynamique pour l’évaluation des impacts climatiques des produits du bois en ACV du bâtiment. Plus spécifiquement, cet objectif implique d’identifier une méthode dynamique adaptée à l’ACV du bâtiment, puis de l’utiliser dans une étude de cas. Ces objectifs spécifiques sont couverts dans deux articles. Le premier article dresse une revue critique des méthodes de modélisation du carbone biogénique en ACV et identifie la méthode dynamique du potentiel de réchauffement global biogénique (PRGbio) comme bien adaptée à l’ACV du bâtiment. Celle-ci permet d’intégrer des aspects dynamiques à l’ACV du bâtiment sans trop complexifier la collecte de données d’inventaire du cycle de vie. Le second article décrit l’application de la méthode PRGbio à l’étude de cas des Habitations Trentino, un bâtiment en bois situé à Québec. Comparativement à une approche statique, l’approche dynamique entraîne une réduction des impacts climatiques liés à l’utilisation des produits du bois. Ce résultat suggère que les méthodes d’ACV actuelles surévaluent les impacts environnementaux du carbone biogénique, et que des politiques encourageant la construction en bois auraient un potentiel d’atténuation des changements climatiques prometteur.
The building sector accounts for up to 30% of global GHG emissions. In Canada, it represents 12% of direct GHG emissions; these impacts are expected to significantly increase before 2030. Using more harvested wood products (HWP) in buildings could reduce the climate change impacts of the building sector and help reach the national mitigation goals set under the Paris Agreement. By encouraging sustainable forest management, this could also reduce forest carbon emissions, e.g. by reducing the risks and consequences of natural disturbances (fires, insects, etc.). Combining (i) sustainable forest management, (ii) temporary carbon storage and (iii) substitution benefits in integrated management approaches could provide large, necessary mitigation benefits. The potential benefits of integrated approaches including HWP are increasingly recognized, but assessing their actual climate impacts remains challenging. Life cycle assessment (LCA) is used in environmental engineering to assess the life cycle impacts products or services. However, there is currently no consensus in LCA on the assessment of carbon from biological processes, biogenic carbon. Traditional (static) practice disregards the influence of time considerations in LCA, and generally considers biogenic carbon (1) carbon neutral or (2) entirely emitted at the moment of harvest. This is a problem, since the climate change impacts of greenhouse gases (GHG) are a function of their atmospheric concentration over time. Disregarding time considerations can thus lead to estimation errors. In Canada, 57% of the biogenic carbon captured in wood products between 1990 and 2008 still remains in the anthroposphere. To consider it entirely emitted at harvest induces an estimation error of 675 Mt CO2, or approximately 92% of total Canadian GHG emissions in 2014. Dynamic approaches include time considerations in LCA and avoid simplifying assumptions (1) and (2). However, dynamic approaches are relatively recent. There are few available case studies and guidelines in the literature, notably in the field of building LCA, where the additional complexity and ressources (time, data) is a concern. The goal of this project is to compare the results of static and dynamic LCA approaches in the analysis of the climate change impacts of HWP in building LCA. More specifically, this goal implies identifying a dynamic approach well adapted to building LCA, and applying it in a case study. These objectives are covered in two articles. The first article is a critical review of biogenic carbon assessment methods in LCA. It identifies the biogenic global warming potential (GWPbio), a dynamic LCA approach, as well adapted for building LCA. The GWPbio approach can include time considerations in LCA, but is less resource-intensive than other approaches. The second article describes the use of GWPbio in the LCA of the Trentino building, a timber building located in Quebec City. Compared to static approaches, using GWPbio reduces the global warming impacts of HWP. This result suggests that current LCIA practice overestimates the impacts of biogenic carbon and HWP. Consequently, encouraging an increased use of HWP in the building sector could provide promising climate change mitigation benefits.
The building sector accounts for up to 30% of global GHG emissions. In Canada, it represents 12% of direct GHG emissions; these impacts are expected to significantly increase before 2030. Using more harvested wood products (HWP) in buildings could reduce the climate change impacts of the building sector and help reach the national mitigation goals set under the Paris Agreement. By encouraging sustainable forest management, this could also reduce forest carbon emissions, e.g. by reducing the risks and consequences of natural disturbances (fires, insects, etc.). Combining (i) sustainable forest management, (ii) temporary carbon storage and (iii) substitution benefits in integrated management approaches could provide large, necessary mitigation benefits. The potential benefits of integrated approaches including HWP are increasingly recognized, but assessing their actual climate impacts remains challenging. Life cycle assessment (LCA) is used in environmental engineering to assess the life cycle impacts products or services. However, there is currently no consensus in LCA on the assessment of carbon from biological processes, biogenic carbon. Traditional (static) practice disregards the influence of time considerations in LCA, and generally considers biogenic carbon (1) carbon neutral or (2) entirely emitted at the moment of harvest. This is a problem, since the climate change impacts of greenhouse gases (GHG) are a function of their atmospheric concentration over time. Disregarding time considerations can thus lead to estimation errors. In Canada, 57% of the biogenic carbon captured in wood products between 1990 and 2008 still remains in the anthroposphere. To consider it entirely emitted at harvest induces an estimation error of 675 Mt CO2, or approximately 92% of total Canadian GHG emissions in 2014. Dynamic approaches include time considerations in LCA and avoid simplifying assumptions (1) and (2). However, dynamic approaches are relatively recent. There are few available case studies and guidelines in the literature, notably in the field of building LCA, where the additional complexity and ressources (time, data) is a concern. The goal of this project is to compare the results of static and dynamic LCA approaches in the analysis of the climate change impacts of HWP in building LCA. More specifically, this goal implies identifying a dynamic approach well adapted to building LCA, and applying it in a case study. These objectives are covered in two articles. The first article is a critical review of biogenic carbon assessment methods in LCA. It identifies the biogenic global warming potential (GWPbio), a dynamic LCA approach, as well adapted for building LCA. The GWPbio approach can include time considerations in LCA, but is less resource-intensive than other approaches. The second article describes the use of GWPbio in the LCA of the Trentino building, a timber building located in Quebec City. Compared to static approaches, using GWPbio reduces the global warming impacts of HWP. This result suggests that current LCIA practice overestimates the impacts of biogenic carbon and HWP. Consequently, encouraging an increased use of HWP in the building sector could provide promising climate change mitigation benefits.
Zhang, Mingqian. "Assessing strategies for reducing carbon emissions associated with wood products transportation." Master's thesis, Université Laval, 2017. http://hdl.handle.net/20.500.11794/27746.
Full textWith the ratification of greenhouse gas (GHG) reduction agreements by Canada, various levels of government implemented policies to reduce transport-related and other industrial emissions. Since 2013, Québec, together with California and Ontario, has established a carbon market to encourage firms to reduce their emissions. The forest industry could benefit from this scheme in terms of improving efficiency and lessening the environmental impact of wood product transport. This study aims to assess the potential of carbon emission reduction strategies and to provide recommendations on improving the logistics of transporting wood-based materials. There are four main strategies considered in this paper; namely low-speed driving, eco-driving, intermodal transportation, and optimizing loading pattern. By combining these strategies, optimization models are developed with the objective of cost minimization under the constraints of emissions. These models involve the distribution planning of supply chain management and routing problems. Microsoft Excel, OpenSolver, Gurobi, and LocalSolver are mainly used for modeling and optimization. Pareto Front is also used to illustrate the relationship between transportation cost and carbon emission. To demonstrate the methodologies, a case study is exhibited using real world data. It is found that eco-driving has considerable potential in reducing emissions under a feasible range of price increases. The selection of strategies is based on the decision makers’ preferences and the difficulty of strategy implementation.
Gras, Antoine. "Séquestration du CO₂ associée aux phénomènes de minéralisation passive du carbone dans les résidus miniers du Projet Dumont Nickel (Abitibi-Témiscamingue, Québec, Canada)." Doctoral thesis, Université Laval, 2018. http://hdl.handle.net/20.500.11794/30265.
Full textThe implication of anthropogenic carbon dioxide (CO2) emissions in climate change is now widely accepted and solutions are emerging in order to limit the accumulation of CO2. Carbon mineralization, which allows the sequestration of CO2 through carbonate precipitation, stable minerals over geological time scales, is one of the options considered. Among the proposed carbon mineralization pathways, passive carbon mineralization in ultramafic mining residues can potentially lead to developing carbon-neutral mines. However, the impacts on leachate water quality and evolution of sequestration capacity in natural conditions, on medium and large scales, are still poorly documented. RNC Minerals plans to mine a nickel deposit located in the northwestern part of Quebec. The operation at the Dumont Nickel Project (DNP) would produce approximately 1.7 Gt of ultramafic mining residues. Several factors which influence the carbon sequestration capacity of the DNP residues have been studied in the laboratory, at variable CO2 concentrations. In this study, the processes of passive carbon mineralization in the DNP mining residues are described and the atmospheric CO2 sequestration capacity is estimated, at the experimental cell scale, under natural conditions. In order to study the impacts of meteoric weathering of the DNP residues, two experimental cells were built and instrumented. The first cell EC-1, contains the ultramafic waste rock, and the second EC-2, was filled with milling residues (Tailings). The hydrogeological properties and surface area of the residues contained in the two cells are different whereas the mineralogy is similar. The main minerals in the residues are chrysotile, lizardite, brucite, chlorite and magnetite. Between 2011 and 2015, changes in CO2 concentrations, mineralogy, and chemical composition of leachate waters were recorded. Monitoring of CO2 concentrations showed a decrease in CO2 concentration from the surface (~ 390 ppmv) to the bottom of the cells (~ 100 ppmv). At the same time, the carbon content in the weathered residues increased and the mineralogical analyses revealed precipitation of several magnesium carbonates such as hydromagnesite. These observations indicate that passive mineral carbonation of the mining residues is occurring within the experimental cells, for which three potential sources of CO2 can be identified : (1) the atmosphere, (2) the CO2(g) produced from organic matter oxydation, and (3) CO2(g) produced from carbonate dissolution. The isotopic compositions of CO2(g) and newly formed carbonates were measured. Using these isotopic compositions it was possible to demonstrate that dissolution of CO2(g) in interstitial water limits the sequestration capacity and that atmospheric CO2 is the main source of the CO2 sequestered. Despite the differences between the two experimental cells the same processes control CO2 sequestration. A conceptual model of the carbon mineralization reactions, including evolution of the isotopic compositions, is proposed. The leachate water sampled at the bottom of the experimental cells, between May and November since 2011, is characterized by an alkaline pH (~9.5), a high alkalinity (~90 to ~750 mg/L CaCO3) and a high concentration of magnesium (~50 at ~750 mg/L). This composition is consistent with weathering of ultramafic rocks in a system open to CO2. Since 2012, the chemical composition of the leachate water was evolved seasonnaly. These seasonal variations are explained by: (1) recharge and temeprature variations over the year and (2) increased carbonate precipitation between May and July. The seasonal decrease of alkalinity and magnesium concentrations, caused by increased carbonate precipitation, induces undersaturation of carbonate minerals. Therefore carbonate precipitation self-limits carbon sequestration through a negative feed-back loop. Since 2011, an estimated 13 kg of atmospheric CO2 was sequestered in the milling residues from EC-2, which corresponds to a mean rate of 1,4 (+/- 0.3) kgCO2/tonne/year. Using this mean rate, during the mining operation the milling residues will sequester about 21 kt of atmospheric CO2 each year, which will represents one quarter of the 127,700 tonnes of CO2 emitted. Using MIN3P, a numerical model which allow to simulate multi-component and multiphase reactive transport in unsaturated porous media, the carbon mineralization reactions were simulated in 1D at the center of cell EC-2. The data collected during the 4 years of monitoring were used to calibrate the numerical model. However, none of the simulations allowed to reproduce the evolution of the leachate water geochemistry and the CO2 concentrations observed in the experimental cell. Several simplifications of the conceptual model could explain the differences with the observed data.
Payeur-Poirier, Jean-Lionel. "Flux de CO₂ d'une chronoséquence d'écosystèmes d'épinette noire de la forêt boréale de l'Est de l'Amérique du Nord." Master's thesis, Université Laval, 2011. http://hdl.handle.net/20.500.11794/22091.
Full textForest harvest and subsequent stand development can have major effects on the carbon cycle of boreal stands. Carbon dioxide (CO2) fluxes of a three-point black spruce harvest chronosequence located in the boreal forest of eastern North America were measured over a one-year period at the ecosystem scale with the eddy covariance technique and CO2 efflux from soils was measured with a portable infrared gas analyzer. The three sites (pre-harvest, recently-harvested, and juvenile) were 105-, 8- and 33-years old, respectively. On an annual basis, the pre-harvest site (EOBS) was a weak carbon sink (6 ± 4 g C m-2 yr-1), the recently-harvested site (HBS00) a source (-87 ± 3 g C m-2 yr-1) and the juvenile site a moderate to strong sink (143 ± 35 g C m-2 yr-1). Annual gross ecosystem production (GEP) at the pre-harvest site was only 28% greater than at the recently-harvested site (646 ± 6 versus 504 ± 5 g C m-2 yr-1) while GEP at the juvenile site (1107 ± 32 g C m-2 yr-1) was 71% greater than at the pre-harvest site, suggesting significant physiological constraints to photosynthesis at the pre-harvest site. Annual ecosystem respiration (Re) followed the same pattern, but intersite differences were somewhat less (640 ± 8 to 591 ± 6 to 964 ± 50 g C m-2 yr-1). Annual soil respiration (Rs) decreased following harvest from 593 to 500 g C m-2 yr-1 and increased with further stand development to 644 g C m-2 yr-1, although the changes were less than for GEP and Re. Q10 and R10 of Rs for the snow-free period varied between sites, were lowest for the recently-harvested site and appeared to be related to GEP via substrate supply. The annual ratio of Rs to Re was lower for the juvenile site (67%) than for the pre-harvest and recently-harvested sites (93 and 85%, respectively). These results quantify how some of the major physiological processes that influence the carbon cycle of boreal black spruce stands evolve following harvest and should be useful for better incorporating stand-age effects into regional and global scale models. Keywords: boreal forest; CO2 fluxes; harvest; chronosequence; disturbance; soil respiration; eddy covariance
Slechten, Aurelie. "Policies for climate change." Doctoral thesis, Universite Libre de Bruxelles, 2013. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/209493.
Full textDoctorat en Sciences économiques et de gestion
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Bergeron, Onil. "Dynamique des échanges de dioxyde de carbone de la pessière noire boréale de l'est du Canada." Thesis, Université Laval, 2007. http://www.theses.ulaval.ca/2007/24790/24790.pdf.
Full textCarbon dioxide emissions from human activities are changing the Earth’s climate. The boreal forest contains enormous carbon (C) stocks and hence it plays a critical role in the global C cycle. Black spruce ecosystems are the dominant cover type in the North American boreal forest, thus it is necessary to understand their response to both climate variability and to ecological disturbances such as forest harvest so as to identify the factors influencing C exchange between the biosphere and the atmosphere. The first research chapter (Chap. 3) of this thesis presents a comparison of C exchange for three old black spruce ecosystems located in different regions of Canada. This study showed that warmer soil under deeper snowpack in winter and low light levels in June at the eastern Canada site, which are common conditions in that region, reduced C sequestration relative to that of similar ecosystems in central Canada. Furthermore, a general parameterization at a monthly time resolution was sufficient for characterizing the physiological response of all three black spruce ecosystems to environmental conditions. In the second research chapter (Chap. 4), the C balance and the response of C exchange to environmental conditions of a mature and a recently harvested black spruce site in eastern Canada were quantified. The C balance of these black spruce ecosystems was more affected by their respective developmental stage than by inter-annual climate variability. The response of C exchange to environmental factors showed a greater between- and within-year variability at the harvested site due to the dynamic structure of the vegetation. The third research chapter (Chap. 5) examined forest floor C exchange for a mature black spruce site in eastern Canada measured on different microsites. Soil respiration and forest floor photosynthesis accounted for 76-88% and 16-17% of total ecosystem respiration photosynthesis, respectively. The observed differences of the response of soil respiration to environmental factors suggest that microsite can reflect the spatial variability of soil respiration. All three of these studies provide valuable information for parameterizing and modeling the response of boreal forests to climate variability and to ecological disturbance.
Mercier, Jacques. "Le contrôle ventilatoire au cours de l'exercice musculaire : influence de la période de croissance : sensibilité des centres respiratoires au dioxyde de carbone." Montpellier 1, 1990. http://www.theses.fr/1990MON11305.
Full textTchapchet, Tchouto Jules-Eric. "Contraintes d'émission de GES et modélisation économique : perspectives alternatives, enseignement et contributions au regard des approches appliquées et théorique de l'équilibre général." Rouen, 2012. http://www.theses.fr/2012ROUED008.
Full textBaechler, Laurent. "Action collective et allocation des ressources atmosphériques : le cas du changement climatique." Paris 9, 2000. https://bu.dauphine.psl.eu/fileviewer/index.php?doc=2000PA090059.
Full textBooks on the topic "Gaz carbonique – Aspect de l'environnement"
Chiotti, Quentin Pablo. Importance relative des incidences et des effets de la réduction des émissions de gaz à effet de serre. Ottawa, Ont: Environnement Canada, 1999.
Find full textCanada, Canada Environnement. Inventaire canadien des gaz à effet de serre: Émissions et absorptions de 1997 et tendances. Ottawa, Ont: Environnement Canada, 1999.
Find full textAubin, Pierre. Étude sur la sensibilisation au changement climatique et aux gaz à effet de serre. Ottawa, Ont: Agriculture et agroalimentaire Canada, 2003.
Find full textGribbin, John R. La terre-serre: La planète a-t-elle la fièvre par notre faute ? Paris: Laffont, 1992.
Find full text(Canada), National Round Table on the Environment and the Economy. Measuring up: Benchmarking Canada's competitiveness in a low-carbon world. Ottawa: National Round Table on the Environment and the Economy, 2010.
Find full textPascale, Collas, Olsen K, Canada Environment Canada, and Canada. Air Pollution Prevention Directorate., eds. Canada's greenhouse gas inventory: 1997 emissions and removals with trends. [Ottawa]: Environment Canada, 1999.
Find full textReeve, D. A. The capture and storage of carbon dioxide emissions : a significant opportunity to help Canada meet its Kyoto targets =: Captage et le stockage des émissions de dioxyde de carbone : un outil précieux pour le Canada dans le contexte du Protocole de Kyoto. Ottawa, Ont: Office of Energy Research and Development = Bureau de recherche et de développement énergétiques, 2000.
Find full textService, Canada Atmospheric Environment. Understanding CO2 and climate : annual report 1984 =: Comprendre le CO2 et le climat : rapport annuel 1984. Ottawa, Ont: Environment Canada = Environnement Canada, 1985.
Find full text