A recent report revealed that levels of carbon dioxide and methane, the two most important greenhouse gases, reached record highs last year, continuing the warming effect on the world’s climate. The U.N. weather agency made its report last month. CO2 levels rose to nearly 398 parts per million, from 396 ppm in 2013, according to the World Meteorological Organization (WMO). The CO2 level fluctuates throughout the year and the monthly average crossed the symbolic 400 ppm threshold in March 2015. The WMO said the annual average “is likely to pass 400 ppm in 2016.”
Pushed by the burning of coal, oil and gas for energy, global CO2 levels are now 143 percent higher than before the industrial revolution. Scientists say that’s the main driver of global warming. WMO said methane levels reached a new high of about 1,833 parts per billion in 2014. About 40 percent of methane emissions come from natural sources and about 60 percent from human activities, including cattle breeding, rice agriculture and the extraction of fossil fuels. WMO Secretary-General Michel Jarraud said:
Every year we report a new record in greenhouse gas concentrations. We have to act now to slash greenhouse gas emissions if we are to have a chance to keep the increase in temperatures to manageable levels.
World governments met in Paris last month to craft a new U.N. pact to rein in greenhouse gas emissions. More than 150 countries including top greenhouse gas polluters, which are China, the United States, the European Union and India, have pledged to cut or curb their emissions in the next decade. Hopefully, all of them will honor their pledges and do what needs to be done.
Meanwhile, climate change is already transforming the Earth, melting Arctic sea ice, intensifying heat waves, and warming and acidifying the ocean. Climate scientists say that if global warming continues unabated, dangerous effects could include flooding of coastal cities and island nations, disruptions to agriculture and drinking water, and the spread of diseases and the extinction of species. It’s a sad commentary on our times when climate change and the contributing factors are not accepted as factual by many people. We owe it to future generations to both educate the public and also take the necessary actions required to both show climate change and reverse the adverse effects of that which has already transpired.
Source: Claims Journal
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