Brian Kahn

Brian Kahn is the communications coordinator at the International Research Institute for Climate and Society (IRI). You can continue the conversation with him on Twitter. His views and opinions do not represent an official position of IRI.


The uncertain, hopeful future of the National Park Service

"The goal of our centennial is not to scare everyone to death about climate change."

Climate & Energy

Antarctica, most remote place on Earth, just hit a scary CO2 milestone

The South Pole is the last place to detect 400 ppm of carbon dioxide in the air.


El Niño is officially over. What comes next?

It might be his cool sister, La Niña.


Watch global warming spiral out of control

By 2100, we could see 5 degrees C of global warming. Yikes!


This is what it looks like when wildfire sweeps through a city

A scary video zooms in on the destruction left behind the Fort McMurray wildfire.

Climate & Energy

New maps shed light on the secret lives of clouds

This cloud atlas could help us track life across the planet.

in hot water

Coral bleaching has swept 93 percent of the Great Barrier Reef

This is the biggest disaster to hit the iconic reef, and we're not out of hot water yet.

Climate & Energy

Greenland is melting way ahead of schedule

The melt season usually kicks off in May or June. Not April.


The planet is a big, wobbly top — and melting ice is changing how it spins

A new study shows how Earth's axis has already shifted, thanks to climate change.