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.
NB: If you would like to be a signatory to a set of 3 principles based on the concepts laid out in this article and listed
BERLIN -- As world leaders gather in New York for the Paris climate agreement signing ceremony, they ought to remember that now is the time to finally put some muscle behind their promises.
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.