How humans learned to live with bears

Black bears in Yosemite National Park are coexisting with humans after years of conflict. Read on for a conservation success story.

Words and pictures.

Elephant seals: a giant survival story

Northern elephant seals once teetered on the brink of extinction. Now the population is bouncing back - but some need a helping hand to survive.

We went behind the scenes at the biggest marine mammal hospital in the world to meet some of their latest arrivals.

Pictures.

Why we need green spaces in cities

Our cities are damaging our health. Here's how plants can help us. 

Words.