Under any of six models of climate change, in 100 years there will be no new trees in Joshua Tree National Park and a significant number of existing trees will be dead, according to a recent Riverside Press-Enterprise story. The climate models, developed by Ken Cole, a biologist and geologist with the U.S. Geological Survey in Flagstaff, Ariz., and plant ecologist Kirsten Ironside of Northern Arizona University, suggest a temperature increase of seven degrees.

Joshua Trees were prolific and widespread 11,000 years ago, Cole told newspaper reporter Janet Zimmerman. Their seeds were carried long distances from Mexico to...

While federal agencies are faulted in a recent study for not doing enough to reduce the fire hazard in areas where forest and chaparal wildland abuts human-inhabited communities, another study points to the greater importance of the homeowners themselves in reducing fire danger.

The Healthy Forests Restoration Act of 2002 was supposed to cut annual fire-fighting expenses by, for example, thinning forests, eliminating ladder fuels and creating buffers, according to an Associated Press story that was circulated yesterday. However, federal agencies have fallen short of the Act's goals.

Some scientists are now saying more effort...

An array of scientists are working together to help the U.S. Forest Service determine the best way to ensure the long-term health of California forests. One aspect of the wide-ranging effort - called the Sierra Nevada Adaptive Management Project or SNAMP - is to define a healthy forest. UC Berkeley scientist John Battles is leading a group of researchers who have been extracting core samples from thousands of trees in the Sugar Pine and Nelder Gove areas over the past two years to analyze their health.

A recent public field trip in the experimental area was covered by Sierra Star reporter Jill Coppler. Her article said people...

With the beginning of the summer fire season looming, media are taking note of UC wildfire management expertise.

The High County News published an article last week about preparations in California for "the next burn." Writer Peter Friederici based his story on a new CalFire map that places Portola Valley in a "very high" fire hazard zone. Residents are concerned the designation will cause insurance companies to cancel their coverage or raise rates and that it could also devalue their property.

The concerns seemed to garner little sympathy from Peter Moraga, speaking...