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Students rally for fossil fuel-free energy at the University of California, San Diego. Erik Jepsen/UCSD

3 reasons local climate activism is more powerful than people realize

When people work together, they can move governments to action. Just ask the suffragettes. Still, few people do it. A psychologist explains why, and how to turn that around.
Philip Myrtorp / Unsplash

What is air turbulence?

When something disrupts the smooth, laminar flow of high-altitude winds, your flight might get a little bumpy.
Anissa Terry/Unsplash

The historic COP15 outcome is an imperfect game-changer for saving nature. Here’s why Australia did us proud

The planet is entering its sixth mass extinction event. This global nature summit is our best change to stop this tide of destruction.
When fish like this netted cod are exposed to mercury, it accumulates in certain organs, including the lenses of their eyes. Yvette Heimbrand

The lenses of fishes’ eyes record their lifetime exposure to toxic mercury, new research finds

A new study shows that a time stamp can be put on mercury that accumulates in fish eyes, offering a window into their lifetime exposure.
Using electricity to manually delete emails can actually have a greater carbon impact than simply storing them. (Unsplash)

Can sending fewer emails or emptying your inbox really help fight climate change?

Digital activities, like sending emails, contribute marginally to the annual carbon footprint of information and communication technology users.
A barge maneuvers its way down the drought-narrowed Mississippi River at Tiptonville, Tenn., Oct. 20, 2022. AP Photo/Jeff Roberson

Record low water levels on the Mississippi River in 2022 show how climate change is altering large rivers

Record low water levels on the Mississippi and other major rivers, as seen in 2022, could become more common, threatening transportation of many key goods and raising prices.

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