In 2012, the amount of greenhouse gas emissions in the atmosphere has reached a record high and the resulting radiation has increased by 32%.
According to the World Meteorological Organization (WMO), this increase accounts for 80%, while carbon dioxide, methane, and nitrous oxide account for the remaining 20%. The increase in atmospheric carbon dioxide content between 2011 and 2012 is above its average growth over the past decade. According to WMO Secretary-General Michel Jarro, “As a result, our climate is changing. Our weather is even more extreme. Ice sheets and glaciers are melting and sea levels are rising.â€
Since 1750, carbon dioxide has increased by 160%, methane 41% and nitrous oxide 20%. Half of this carbon dioxide is emitted from the burning of fossil fuels in the atmosphere while the rest is absorbed by plants. It can be attributed to natural causes that wetlands and termites produce 40% of methane emissions, while 60% are due to human activities, including beef cattle breeding, exploitation of fossil fuels and biomass burning. "Restricting climate change will require substantial and sustained reductions in greenhouse gas emissions," Yarro said. "This is something we urgently need to address." He added that the unprecedented atmospheric carbon content is the result of human activities if we continue to operate as usual. , then the global average temperature may be 4.6 degrees higher than before the industrial revolution, that is, at the end of the century.
WMO's annual greenhouse gas communique tracks the concentration of gases in the atmosphere, not emissions.
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