The current volume of wastewater - the result of water forced underground to fracture rock - is estimated at 250 million barrels per day.

The blue whale is the largest animal that has ever existed, weighting as much as two thousand people together.

Firefighters are wrapping fire-resistant blankets around ancient trees as blazes tear through California's Sequoia National Park

With the support of NGOs and business, the inhabitants of small towns in the Amazon are practicing a self-sustaining circular economy.

Researchers have discovered a new way to track genetically modified animals using the artificial transgenes they leave behind.

Cows in Switzerland have been airlifted to the bottom of their Alpine meadows in a bizarre spectacle.