Hydrogeologist John Gates talked about water quality problems in China such as increasing salinity, nitrate pollution, and falling water tables. Read more.
According to Neil Sampson, an international forestry consultant, forest ecosystems are always in a state of transformation, but climate change might speed up the process.
Robert Bonnie of the Environmental Defense Fund talks about the safe harbor agreement that helps landowners along with endangered species on their land.
A land conservationist says that good stewardship by private forest landowners in the U.S. can be a heroic effort, because it can require the rejection of sometimes lucrative financial offers.
Jon Ranson talks about studying vegetation via satellite, and how carbon relates to climate change, in this 8-minute *EarthSky Clear Voices for Science* podcast.