Extreme wildfires are increasing due to rising emissions, but they also disrupt the climate in return. Weighing up the overall impact, however, is tricker than it seems.
Covering canals with solar panels saves water while generating a lot of electricity. California's Central Valley is about to be the first pilot in the U.S.
California is about to launch an experiment to cover aqueducts with solar panels, a plan that if scaled up might save billions of gallons of otherwise evaporated water while powering millions of homes.
On July 3, 2022, the lake - the largest saltwater lake in the Americas and 8th largest in the world - recorded its lowest water levels since records began in 1847, falling to 4,190.1 feet above sea level.
