Fifty years since it was first published, 'Silent Spring' is remembered as the book that started the environmental movement

Extraordinary photos of food shot with an electron microscope

NASA astronaut depicts the final frontier in suuuuper slow motion

The 'Airbnb for bikes' gets ready for national rollout

Yes, seriously

New book vividly captures climate change in action

NRDC President Frances Beinecke on pro sports going green

Russian photographer captures Iceland's volcanic rivers from above

Whimsical project in Finnish capital combines urban gardening, sustainable design and public transit