UNITED NATIONS: Global warming could be irreversible
By Catholic Online (NEWS CONSORTIUM)
8/28/2014 (3 years ago)
Catholic Online (www.catholic.org)
International experts say that for most intents and purposes, it's too late - global warming is real and could very well be irreversible. A draft of a new international science report released by the United Nations outlines the options that mankind has left.
Ocean acidification, which comes from the added carbon absorbed by oceans, will also harm marine life, the report says.
LOS ANGELES, CA (Catholic Online) - The United Nations' Intergovernmental Panel on Climate Change have sent the world's governments a final draft of its synthesis report. The analysis combines three earlier extensive documents by the Nobel Prize-winning group.
There are few surprises in the report that wasn't in the other more-detailed versions, although the language used here is far starker. The report attempts to connect the different scientific disciplines studying problems caused by the burning of fossil fuels, such as coal, oil and gas.
The 127-page draft creates an indicting picture of what's causing global warming and what it will do to humans and the environment. The report also describes what can be done about it.
"Continued emission of greenhouse gases will cause further warming and long-lasting changes in all components of the climate system, increasing the likelihood of severe, pervasive and irreversible impacts for people and ecosystems," the report says.
The final report will be issued after governments and scientists go over the draft line by line in an October conference in Copenhagen.
Circumstantially, "currently observed impacts might already be considered dangerous," the report says. It mentions extreme weather and rising sea levels, such as heat waves, flooding and droughts. The report also posits the idea that climate change will worsen violent conflicts and refugee problems -- and could hinder efforts to grow more food. Ocean acidification, which comes from the added carbon absorbed by oceans, will also harm marine life, it says.
Without changes in greenhouse gas emissions, "climate change risks are likely to be high or very high by the end of the 21st century," the report says.
Countries across the globe set a goal of limiting global warming to about another two degrees Fahrenheit (-16.67C) above current levels in 2009. But the report says that it is looking more likely that the world will shoot past that point. Limiting warming at that objective is feasible, but would require dramatic and immediate cuts in carbon dioxide pollution.
The report says if the world continues to spew greenhouse gases at its accelerating rate, it's likely that by mid-century temperatures will increase by about another 3.6 degrees Fahrenheit, or two degrees Celsius compared to temperatures from 1986 to 2005. And by the end of the century, that scenario will bring temperatures that are about 6.7 degrees Fahrenheit warmer, or 3.7 degrees Celsius.
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