A fifth of the Sierra Nevada’s conifer forests are out of sync with the warming climate around them, which makes them less likely to grow back after a major wildfire.
Even as worsening drought and aridification force Los Angeles to end its overwhelming dependence on imported water, Angelenos may soon realize that weaning themselves off supplies from the rugged eastern Sierra Nevada doesn't mean they will stop paying for the city's long, complicated history there.
In just 10 years, fires, drought, and insect infestations have devastated close to a third of forests in the southern Sierra Nevada mountains, a new study finds.
Prescribed burns are key to reducing the risk of catastrophic wildfires. Scientists are using high-tech tools to ensure they can be done safely in a warming world.
