It found that a tree’s growth rate increases with its size, in some cases adding the mass of a small tree every year.
That has huge implications for the amount of carbon dioxide an older tree can absorb.
“One of the analogies I use is if you’re managing a sports team, you’ve got to know who your star players are." says forest ecologist Nathan Stephenson with the USGS, and the study’s lead author.
"This would be the equivalent of discovering that your 90-year-old players are the stars of the team," he says.
A federal water bill that supporters say will streamline dam and water storage projects in California faces an uphill battle in the Senate. One of the largest water suppliers in the state says it's unlikely to support it.
Summertime is a favorite for tourists at Lake Tahoe, but the region's transportation system is not designed for the growing number of people who use it. The TRPA and TERC are coming up with a plan to fix the gridlock and improve the lake's clarity.
California Gov. Jerry Brown and former New York Mayor Michael Bloomberg are teaming up on a new climate change tracking initiative called America’s Pledge.
Gas-powered gardening equipment will soon surpass cars as the worst polluters in California. It is considering stronger emissions standards for small gas engines and incentives to switch to electric.
Amidst fear that President Donald Trump’s administration could rollback key federal environmental laws, California state senate Democratic leaders have unveiled a package of environmental protection bills.