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.

emission impossible

Watch our world spiral past a terrifying climate milestone

We've blown past 400 ppm.


The haunting song of climate change, in D minor

Scientists turned the data points from a dying forest into music.

Hot or not?

La Niña has arrived! Or has it?

Meteorologists are divided.

ice, ice, maybe

Watch the Arctic’s ice shrink to its near-record low, in 3 graphs

2016 has been a rough year for the Arctic.

path of beast resistance

Beautiful map shows the future of animal migration

This mesmerizing GIF shows how a warming planet is forcing animals to relocate.


Your favorite national park is about to get a lot hotter

By 2100, the climates of our parks may have shifted drastically.


The uncertain, hopeful future of the National Park Service

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

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.