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9 of Humanity's Greatest Environmental Successes
We're making some headway in restoring the environment—even if we caused the devastation in the first place.
The Calculating Beauty of Butterflies
How butterflies' colorful wing patterns help them hide, lie, and impress the ladies.
The Tiny German Village That Went Off the Grid
A small town in Saxony has figured out how to run entirely on biomass—and create an energy surplus.
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