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Extreme Heat Expected Again In County Deserts, Cooling Arrives On Friday

The mercury could soar to 112 again Thursday in the San Diego County deserts, but cooler weather will arrive on Friday, according to the National Weather Service. The high pressure that has caused sweltering conditions since Tuesday will be replaced by a low-pressure system, which will also bring a slight chance of rain Friday night through Saturday morning everywhere except the deserts, forecasters said.

Western Colorado Water Purchases are Stirring up Worries About the Future of Farming

For five years, Zay Lopez tended vegetables, hayfields and cornfields, chickens, and a small flock of sheep here on the western edge of Colorado’s Grand Valley – farming made possible by water from the Colorado River.

Lopez has a passion for agriculture, and for a while, he carved out a niche with his business, The Produce Peddler, trucking veggies seven hours away to a farmers market in Pinedale, Wyoming.

Australia’s Water Is Vanishing

The early afternoon sun was pounding the parched soil, and Gus Whyte was pulling on his dust-caked cowboy boots to take me for a drive. We’d just finished lunch—cured ham, a loaf of bread I’d bought on the trip up, chutney pickled by Whyte’s wife, Kelly—at his house in Anabranch South, which isn’t a town but rather a fuzzy cartographic notion in the far west of New South Wales, a seven-hour drive from Melbourne and half as far again from Sydney.

Improving Atmospheric Forecasts with Machine Learning

An efficient, low-resolution machine learning model can usefully predict the global atmospheric state as much as three days out.

U.S. EPA Moves to Curb State Powers to Deny Permits for Energy Projects

U.S. Environmental Protection Agency chief Andrew Wheeler signed on Monday a rule limiting state powers to block energy infrastructure projects, setting up a fight with some Democratic governors who say Washington is stripping their ability to protect their states’ interests and combat climate change.

Trump’s Fossil Fuel Agenda Gets Pushback from Federal Judges

Federal courts have delivered a string of rebukes to the Trump administration over what they found were failures to protect the environment and address climate change as it promotes fossil fuel interests and the extraction of natural resources from public lands.

UCSD Says Climate Change Helped Produce San Diego’s Huge Ocean Heat Wave in 2018

UC San Diego researchers have confirmed that climate change helped produce the historic 43-day ocean heat wave that drew big crowds to San Diego beaches during the summer of 2018.

The finding was published in the Journal of Geophysical Research-Oceans, in a paper that says the phenomenon could not be solely attributed to natural variations in the weather.

‘Expect More’: Climate Change Raises Risk of Dam Failures

Engineers say most dams in the United States, designed decades ago, are unsuited to a warmer world and stronger storms.

After 30 Years and $330 Million Spent, Water Agency Shelves Las Vegas Pipeline Plan

Citing conservation gains and a third straw to the bottom of Lake Mead, the Southern Nevada Water Authority on Thursday voted to shelve a proposal for a multi-billion pipeline that would have moved water from Northern and Eastern Nevada to Las Vegas.

As California Beaches Reopen, Seawall Construction Becomes Legislative Battleground

California’s beaches may feel off-limits right now, but the coronavirus has not stopped the sea from rising. With every tide and storm, this slow-moving disaster continues to creep closer to shore — toppling bluffs, eroding our beaches and threatening homes and major infrastructure.