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 U.S. agency says western U.S. snowpack dropped at "record speed" during April as average temperatures in the contiguous U.S. were 4.0°F above average from January through April 2016.
The fight against illegal tire dumping in California will get a little more muscle. CalRecycle, the state's recycling agency, announced today that it's awarding $5.7 million to 36 local jurisdictions for managing used tires and waste.
A new invasive species of tumbleweed is rapidly spreading across California. And yes, tumbling is one of the reasons.
A bill introduced in the California Assembly would ban certain rat and mouse poisons that harm people and wildlife.
(AP) - The state of Nevada is dropping 15 years of opposition to the Environmental Protection Agency's push to add a toxic, World War II-era copper mine to the priority list of the most polluted Superfund sites in the nation.