Steve Mietz has been appointed president and CEO of nonprofit Save the Redwoods League.

Take a trip to this underrated California spot for otherworldly red-rock formations, fossils, hiking trails, rock climbing, ...

The Tamaulipan thorn forest once covered 1 million acres on both sides of the US-Mexico border. Restoring even a fraction of it could help the region cope with the ravages of a warming world.

Spark curiosity with the National Geographic Little Kids Book Bundle this Earth Month—perfect for budding explorers aged 3–5! Get 6 exciting issues of National Geographic Little Kids magazine ...