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onEarth

The planet is our beat.

Monarchs Use Milkweed as Preventive Medicine—but Climate Change May Wreck the Pharmacy

Rising CO2 levels could upset the delicate relationship between the butterflies and their parasites.

A Bird’s-Eye Perspective Can Find Beauty in the Planet’s Dirtiest Places

David Maisel’s aerial views of environmental degradation are redefining American landscape photography.

As Waters Rise, Should Seaside Communities Retreat?

Whatever the decision, action is needed—and sooner rather than later.

Week 75: When the EPA Has Job Openings, the Oil Industry Polishes Its Resumes

Also, the EPA launches a pincer attack on smog standards, and Pruitt faces (yet another) investigation.

Against All Odds, Mountain Gorilla Numbers Are on the Rise

Conservation in the Congo is dangerous—but after half a century, it’s paying off for these great apes.

The Colorado River Delta Is Proof of Nature’s Resiliency

After decades-long decline, a dying wetland gets a second chance, with the help of cross-border collaboration between the United States and Mexico.