Scientists estimate the death toll of the Volkswagen emissions cheating scandal

Corporate greed comes at a cost.

Scientists find worms can safely eat the plastic in our garbage

All you can eat, fellas!

Watch: How fighting wildfires actually makes them worse

Fighting fire with fire.

Here's how cactus farming could ease the Californian drought

They're experts in water retention.

The Syrian war has caused the first-ever withdrawal from the doomsday seed vault

The Middle East needs crops.