CO2 levels are the highest since humanity began
The last time Earth hit 415 ppm, sea levels were 82 feet higher.
2018 was the fourth-hottest year on record
NASA says the data reflects "a long-term global warming trend."
House committee sets first climate change hearing in eight years
It will address the impact on "communities, natural resources and economic well-being."
German climate proposals could put an end to no-limit Autobahns
The country would trade unlimited thrills for lower emissions.
US saw the largest increase in CO2 emissions in almost a decade
A cold winter and a lack of clean energy policies didn't help.
Governments reach deal to implement Paris climate change agreement
The question is whether or not it goes far enough.
EU aims to be 'climate neutral' by 2050
It may face numerous obstacles to reaching that goal.
The US government knows climate change is ravaging the planet
The Fourth National Climate Assessment is clear: This is our fault.
Federal climate change study says US at risk of 'substantial damages'
Don't expect the current administration to do much about it.