Dozens of once crystal-clear streams and rivers in Arctic Alaska are now running bright orange and cloudy—and in some cases, they may be becoming more acidic.
Tree planting is one of the accepted methods of tackling climate change, but now Scottish scientists have found evidence that it might not actually help to reduce carbon in the atmosphere.
Climate change is having profound effects on Earth and its ecosystems, and during the past 100 years, global temperatures have increased by close to one degree Celsius.
