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"Climate change is one of the most important environmental issues of our time. Climate change is caused by the increase in concentrations of greenhouse gases (GHGs) in the atmosphere. These increases are primarily due to GHG emissions resulting from human activities such as the use of fossil fuels or agriculture. This changing climate has impacts on the environment, human health and the economy. The indicators report estimates of Canada's emissions of GHGs over time. ... The latest year reported (2021) coincides with the 2nd year of the COVID-19 pandemic which affected a wide range of economic sectors, including the energy and transport sectors. The long-term trends presented must be interpreted in the context of the economic slowdown that influenced results from 2019 to 2021"--Page 5.
"Releases of greenhouse gases (GHGs) and their increasing concentrations in the atmosphere are leading to a changing climate. This change has an impact on the environment, human health and the economy. This indicator tracks GHG emissions from the largest emitting facilities in Canada. The indicator complements the Greenhouse gas emissions indicators and provides information on an important source of Canada's industrial GHG emissions"--Page 4.
Page 4 of 10 Part 2. Data Sources and Methods for the Global Greenhouse Gas Emissions Indicator Introduction The Global Greenhouse Gas Emissions indicator is part of the Canadian Environmental Sustainability Indicators (CESI) program, which provides data and information to track Canada's performance on key environmental sustainability issues. [...] Description and rationale of the Global Greenhouse Gas Emissions indicator Description The Global Greenhouse Gas Emissions indicator reports global greenhouse gas (GHG) emissions for the years 1990, 2005 and 2012. [...] Data Data source The data used to compile the Global Greenhouse Gas Emissions indicator were retrieved from the World Resources Institute's (WRI) Climate Analysis Indicators Tool. [...] The data used in the Global Greenhouse Gas Emissions indicator are reported by the WRI two to three years after data collection. [...] Methods The Global Greenhouse Gas Emissions indicator covers greenhouse gas (GHG) emissions from energy and non-energy sources.
"Greenhouse gases (GHGs) absorb energy from the sun and trap heat in the Earth's atmosphere. Without GHGs, Earth's average temperature would be around -18°C, rather than the current average of 15°C. The Earth's natural greenhouse gas effect is one key parameter that makes the planet livable for humans. Human activities, such as the burning of fossil fuels, agriculture practices and industrialization, are changing Earth's natural greenhouse effect. As concentrations of greenhouse gases increase in the atmosphere, more heat is trapped and atmospheric temperatures rise. These indicators present atmospheric concentrations as measured from sites in Canada and at a global scale for 2 greenhouse gases: carbon dioxide and methane"--Page 5.