Going For The Gold Sends Mercury Down The River
Illegal mining in the headwaters of the Amazon is endangering people and fish hundreds of miles downstream.
Every few generations, a challenge arises for leaders around the world.
Climate scientists paint a grim picture of life on earth in just a few generations given the steady march of global warming.
The impact of global warming on the Arctic poles is well documented and easy to see. But scientists are just now beginning to understand the impact of rising temperatures on tropical forests aroun
Manu National Park in southern Peru is known as the most biologically diverse place on earth.