Turkey's Sea of Marmara is on the brink of environmental collapse. Pollution, overfishing and climate change are depleting its oxygen. The crisis became visible when a thick layer of algal slime first ...

Until the 2000s, France submerged, buried or destroyed thousands of tons of ammunition. Long forgotten, these rubbish heaps are now releasing pollution that is toxic and carcinogenic. The film follows ...

The new robot NASA sent to Mars is called "Perseverance". Its mission? To search for evidence of past life on the Red Planet - an important and ambitious endeavor. It took years to design the space ...