Most major US cities are underprepared for rising temperatures

This month, Denver, Las Vegas and Phoenix all posted record high temperatures. And across the nation, Americans are ramping up for a scorching summer. Yet despite more frequent and intense heat waves on the horizon, cities ...

Powerful hurricanes strengthen faster now than 30 years ago

Hurricanes that intensify rapidly—a characteristic of almost all powerful hurricanes—do so more strongly and quickly now than they did 30 years ago, according to a study published recently in Geophysical Research Letters, ...

Past decade saw unprecedented warming in the deep ocean

From 1975 on, the global surface ocean has shown a pronounced-though wavering-warming trend. Starting in 2004, however, that warming seemed to stall. Researchers measuring the Earth's total energy budget-the balance of sunlight ...

A solar booster shot for natural gas power plants

Natural gas power plants can use about 20 percent less fuel when the sun is shining by injecting solar energy into natural gas with a new system being developed by the Department of Energy's Pacific Northwest National Laboratory. ...

Cooler waters help diminish Isaac's punch

(Phys.org)—Seven years after the powerful Category 3 Hurricane Katrina caused widespread devastation along the Gulf Coast, a Category 1 Hurricane Isaac, with maximum sustained winds of 80 miles per hour (70 knots), is making ...

page 1 from 2