Scientists say a "perfect storm" of events has triggered the epidemic.
Experts warn that global warming is tipping into “uncharted territory.”
Will the Paris Agreement be enough?
Negotiators just took a big step forward in the fight against global warming.
Some of the event's sponsors might be part of the problem, not the solution.
But there are caveats.
Over the last year, the majority of global investment in clean energy projects was spent in developing countries.
California's epic wildfire season has our fingerprints all over it.
The state is a deadly "tinderbox."
It's already looking bad, and it's going to get worse.
A new study argues it happened all the way back when we invented farming.
Germany is gearing up for an unusual challenge to its clean-energy revolution.
The overall price of solar—panels, installation, and financing—dropped 10 percent compared to 2013.
A look at which states' farmers could benefit from climate change—and which ones will lose big time.
Record-breaking snow is expected across the Northeast.
Stay tuned over the next several months for commitments from key players like India, Russia, and Australia.
Which means 2014 is still on track to become the warmest year ever.
It could be over 95 degrees most of the year in Florida by the time Millennials retire.