Southern Resident killer whales have a shortage of food and an overdose of deadly pollutants.

Science shows that killing wolves does more harm than good.

What better way to understand the dangers of plastic pollution than by traveling on a ship made out of garbage?

Home Depot promised to stop selling treated plants last year, but it will take another year before the change takes effect.

When a 60,000-pound shipping container falls into the ocean, its plastic contents can end up on the world’s beaches — and in its fish.