Fallen Leaves, Precipitation Add Similar Amounts of Mercury to the Environment

Fallen autumn leaves transfer as much, if not more, hazardous mercury from the atmosphere to the environment as does precipitation each year, according to recent U.S. Geological Survey research.

United Kingdom has Driest First Six Months of Any Year Since 1929

As June ends with below average rainfall, official figures released today show that January to June had average rainfall of 356.8mm, making this period the second driest for 100 years. 1929 had the driest first six months of a year, when 275.7mm of rain...

Cave Study Links Climate Change to Centuries-long California Droughts

California experienced centuries-long droughts in the past 20,000 years that coincided with the thawing of ice caps in the Arctic, according to a new study by UC Davis doctoral student Jessica Oster and geology professor Isabel Montañez.

New Analysis Shows Important Slowdown in Lake Tahoe Clarity Loss

For the first time since researchers began continuously measuring Lake Tahoe’s famed water clarity 40 years ago, UC Davis scientists reported today that the historical rate of decline in the lake’s clarity has slowed considerably in recent...