IPCC Report highlights impacts of Climate Change
The Intergovernmental Panel on Climate Change, or IPCC, published its Synthesis Report in the second week of November, which was summarized by thousand scientists worldwide.
The report produced five thousand pages of evidence in five years and came at a critical time for international action. It gives the next opportunity to world leaders to agree on world targets next year at the COP21 UN Climate Change Conference in Paris.
The report's highlighted points suggested that warming of the climate system is 'unequivocal', and the human influence on it is now 'clear'.
The 30-year period of the last 1,400 years in the Northern Hemisphere ranging from 1983 to 2012 was certainly the warmest of all.
The atmospheric concentrations of the main greenhouse gases, which include carbon dioxide, methane and nitrous oxide, have touched unprecedented levels in the last 800,000 years.
Four years ago, world leaders agreed to limit the rise in global temperatures from greenhouse gases to no more than 2 degrees Celsius, or 3.6 degrees Fahrenheit. However, carbon emissions have continued to soar.
The report suggested that in order to stay below a 2-degree temperature rise, nations will have to achieve 'global carbon neutrality'.
Delay in remedial action will significantly increase the challenges to limit global warming to below 2 degrees relative to pre-industrial levels.
The risks that will generate with the rise of temperature above four degrees include 'substantial species extinction' as well as global and regional food insecurity and shortages.
In order to minimize the risks, emissions can be 'substantially reduced through worldwide changes in consumption patterns and by rapidly shifting to cleaner forms of energy. This can be done by adopting renewable technologies and saving energy, which will subsequently limit the impacts of climate change.
This involves phasing out fossil fuels by 2100 and growing the use of renewable from its current share to 80% of the power sector by 2050.
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