Keith Kloor

Collide-a-Scape

The Greening of Walmart

A lake sturgeon released near Batchawana Bay in Lake Superior. (Credit: Fungus Guy/CC by 3.0./Wikimedia Commons)

Lake sturgeon (Batchawana B) 2

After thriving for 200 million years, ancient sturgeon were wiped out in the U.S. by fishing and industry. Now they're on their way toward making a comeback. 

How Scientists Are Bringing Back Sturgeons, Fish That Once Swam With Dinosaurs

This map plots the Palmer Drought Severity Index. The deepest red colors indicate the very driest departures from normal conditions. (Credit: National Integrated Drought Information System)

Palmer Drought Severity Index 

A vast region is arguably in crisis, and not just because of brutal wildfires. Farmers, ranchers, indigenous people and others are all suffering — with no end in sight.

Drought in the Western United States Sets a 122-Year Record

Smoke from wildfires in the western United States and Canada spread nearly coast to coast, and from Canada to Mexico, on Tuesday, July 20, 2021, as seen in this map based on computer modeling output. (Credit: NOAA Global Systems Laboratory)

Wildfire Smoke Spreads Nearly Coast-to-Coast

Smoke from blazes in the western United States and Canada has blown across North America and even across the North Atlantic to Europe.

The View From Space as Wildfire Smoke Smothers Large Swaths of North America

A ghost forest in Dorchester County Maryland. (Credit: Keryn Gedan)

Ghost Forest Dorchester County MD

Sea level rise is pushing salt water into coastal forests and killing trees. Citizen scientists are helping document the formation of these ghost forests.

As Ghost Forests Spread, Researchers Ask for Help Keeping Track

Oregon's Bootleg Fire, as seen by the GOES-17 weather satellite on July 12, 2021. (Credit: CIRA/RAMMB/SLIDER)

Oregon's Bootleg Fire

Extreme conditions exacerbated by climate change are begetting extreme fire behavior visible to satellites orbiting far overhead.

The West's Worsening Infernos as Seen From Space

woman at thrift store looking at shoes - shutterstock 498315787

The answer is very — but there are ways we can help make thrift stores greener.

The Greening of Walmart

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