Tim McDonnell

Reuters/Pilar Olivares

Is El Niño to Blame for the 'Explosive' Zika Virus Outbreak?

Scientists say a "perfect storm" of events has triggered the epidemic.

REUTERS/Denis Balibouse

Confirmed: 2015 Was the Hottest Year on Record

Experts warn that global warming is tipping into “uncharted territory.”

REUTERS/Mal Langsdon

At COP21, World Leaders Just Agreed to a Climate Deal to Fight Global Warming

Will the Paris Agreement be enough?

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Reuters / Benoit Tessier

Why It's OK to Be Hopeful About the Paris Climate Deal

Negotiators just took a big step forward in the fight against global warming.

Courtesy of Jesse Bragg

The Fossil Fuel Industry Is Bankrolling the Paris Climate Talks

Some of the event's sponsors might be part of the problem, not the solution.

REUTERS/Stringer

Flying Isn't as Bad for the Environment as It Used to Be

But there are caveats.

AP Photo

China Is Absolutely Destroying the U.S. on Clean Energy

Over the last year, the majority of global investment in clean energy projects was spent in developing countries.

Climate Desk

Scientists Just Analyzed Dozens of Natural Disasters. Can You Guess Which Ones Humans Made Worse?

California's epic wildfire season has our fingerprints all over it.

Stephen Lam / REUTERS

California's Devastating Fire Season Is the New Normal

The state is a deadly "tinderbox."

AP Photo/David Crane

California's Fire Season Is Shaping Up to Be a 'Disaster'

It's already looking bad, and it's going to get worse.

Shutterstock

Scientists Are Arguing About When, Exactly, Humans Started to Rule the Planet

A new study argues it happened all the way back when we invented farming.

Kevin Baird/Wikimedia Commons

What Happens When an Eclipse Hits the World's Most Solar-Powered Country?

Germany is gearing up for an unusual challenge to its clean-energy revolution.

Flickr/Lance Cheung

2014 Was the Biggest Year For Solar Power Ever

The overall price of solar—panels, installation, and financing—dropped 10 percent compared to 2013.

Shutterstock

This Map Shows Why Midwest Agriculture Is Screwed

A look at which states' farmers could benefit from climate change—and which ones will lose big time.

Tim McDonnell/Climate Desk

29 Million People Are Bracing for a Massive, Historic Snowstorm

Record-breaking snow is expected across the Northeast.

Paolo Aguilar/ZUMA

World Leaders Cobbled Together a Last-Minute Climate Deal in Peru. What Happens Next?

Stay tuned over the next several months for commitments from key players like India, Russia, and Australia.

NOAA

Last Month Was the Hottest October on Record

Which means 2014 is still on track to become the warmest year ever.

Mother Jones

These Maps Show How Many Brutally Hot Days You're Likely to Suffer When You're Old

It could be over 95 degrees most of the year in Florida by the time Millennials retire.