2 degrees celsius

As a new UN report stresses the importance of the Paris Agreement, Donald Trump plots to bail the U.S. out of it.
Nearly as confounding as this inconsistency was ExxonMobil CEO Rex Tillerson's statement on the continuing need for fossil
In the past few days here in Paris, there's been excitement about the possibility of including mention of a 1.5 degree Celsius temperature limit in the COP21 agreements, a shift from the historical limit of two degrees endorsed by most developed nations.
In the next week, millions of Americans will hear and read news stories about global warming. They'll hear that allowing global average temperatures to increase by more than 2°C would be dangerous. There's only one problem: Americans think in degrees Fahrenheit.
Limiting global warming to no more than 2 degrees Celsius may not be enough.
COP21 doesn't just concern scientists, policy makers, business interests and environmental groups -- it's an all-hands-on-deck moment. We, the people, need a serious and binding climate change mitigating treaty - for real this time, please.
Most of us have already made peace with that part, and are ready to change -- 60 percent of Americans agree clean renewable energy is the future. But our willingness to do the right thing for ourselves and the planet is being undermined by the slow response of our own Environmental Protection Agency.