2018 was the fourth-hottest year on record
NASA says the data reflects "a long-term global warming trend."
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.
Tougher emissions rules helped cut US air pollution deaths in half
Reduced car emissions may have played a key role.
Major UN report says climate change is worse than first thought
It predicts a massive crisis starting in 2040.
NHTSA study forecasts dangerous rise in world temperatures by 2100
But it's being used to justify relaxing environmental standards.