As U.N. makes history on Earth Day, Leonardo DiCaprio reminds us not to rest on laurels

Gibraltar deflates celebratory annual balloon release

Dead sperm whales discovered with plastic parts, nets in stomachs

Florida's mass fish kill is a nightmare to behold

How do you rescue a tangled porcupinefish? Very carefully.

25% of all deaths linked to pollution and environmental degradation

Chinese PSA imagines bleak future with oppressive smog, flowing nostril locks

Storks change migration patterns to eat trash

The truth about candles

Italian mayor puts kibosh on wood-fired pizza ovens

Illegal marijuana farms are poisoning Pacific fishers

Obama signs bipartisan ban on microbeads