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.
The State of California says it has eliminated a barrier to the financing of private, Property Assessed Clean Energy or PACE projects.
Groundwater supplies are at an all-time low in both the Sacramento and San Joaquin River basins. Management of that dwindling supply was the focus of debate at the state Capitol.
(AP) -- Because of California's lingering drought, millions of young California salmon could soon be migrating to the ocean via freeways instead of the Sacramento River.
Chinook Salmon that are babies now -but will return as full-grown adults to California rivers in 2016- are beginning to make their way to the Pacific Ocean now.
The drought has left honey bees without their normal supply of wildflowers to feed on. Beekeepers have supplemented their diet, but that lacks nutrition to keep hives healthy. CapRadio's Amy Quinton tags along with a local beekeeper to learn more.