Hazelnut trees and tall grasses grow in the chicken paddocks at the Organic Compound, a farm in Faribault, Minnesota.

By practicing agroforestry — growing trees alongside crops and livestock, for example — farmers can improve soils, produce nutrient-rich foods, and build resilience to climate change. Now, a movement is emerging to bring this approach to the depleted lands of the Corn Belt.

By Tom Philpott

Climate

As ‘Doomsday’ Glacier Melts, Can an Artificial Barrier Save It?

Relatively warm ocean currents are weakening the base of Antarctica’s enormous Thwaites Glacier, whose demise could raise sea levels by as much as 7 feet. To separate the ice from those warmer ocean waters, scientists have put forward an audacious plan to erect a massive underwater curtain.

By Fred Pearce

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Elephants in Okambara, Namibia that have been tagged with transmitters to track their movements.

Biodiversity

The ‘Internet of Animals’ Could Transform What We Know About Wildlife

Scientists studying migrations, endangered species, and global change are placing tracking devices on thousands of animals that will be monitored by a satellite-based system set to launch next year. If successful, the project could help illuminate the planet’s nonhuman worlds.

By Hillary Rosner

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