Twenty years ago, pollution draining into Lake Tahoe were reducing the lake's clarity by one foot per year. People visiting Lake Tahoe used to be able to see over 97 feet into the water, but by 1997, people could only see 64 feet -- an all-time low.
Lake Tahoe, with its iconic blue waters straddling the borders of Nevada and California, continues to face a litany of threats related to climate change. But a promising new project to remove tiny, invasive shrimp could be a big step toward climate-proofing its famed lake clarity.
After years of meager rains and scorching summers, the wettest winter in a generation has revived Iraq's famous rivers and filled its lakes, bringing welcome relief to a country facing severe water challenges in the era of climate change.
Gov. Jerry Brown, alarmed by reports that climate change is dramatically increasing fire risk, on Thursday ordered an all-out attack by scientists, land managers, industry and the public on the dangerous conditions that helped spread last year's devastating wildfires.
Two communities — one in Canada, one in the U.S. — share both a border along the St. Marys River and a toxic legacy that has contributed to high rates of cancer. Now the towns are banding together to fight a ferrochrome plant.