When Chinese scholar Li Xiuzhen first saw the Rhine River while studying in the Netherlands in 1996, she was deeply impressed by the river's crystal-clear waters, similar to that of China's Yangtze ...

Pre-Maya hunter-gatherers built the system in Central America in response to a drought between 2200 and 1900 B.C.E., ...

Climate change is having a profound impact on our oceans and marine life. Its effects are changing the distribution of fish stocks and their food. Balancing economic and environmental priorities is ...