“This figure shows how annual average temperatures in the contiguous 48 states have changed since 1901. Surface data come from land-based weather stations. Satellite measurements cover the lower troposphere, which is the lowest level of the Earth’s atmosphere. “UAH” and “RSS” represent two different methods of analyzing the original satellite measurements. This graph uses the 1901–2000 average as a baseline for depicting change. Choosing a different baseline period would not change the shape of the data over time.” – United States Environmental Protection Agency ... Read more about Temperatures in the Contiguous 48 United States, 1901-2013
Nearly 70 percent of the groundwater stored in parts of the United States' High Plains Aquifer — a vast underground reservoir that stretches through eight states, from South Dakota to Texas, and supplies 30 percent of the nation's irrigated groundwater — could be used up within 50 years, unless current water use is reduced, a new study finds. ... Read more about Water Woes: Vast US Aquifer Is Being Tapped Out
Ways to reduce fleet petroleum use debut alongside a Web site makeover.
The U.S. Department of Energy's (DOE) National Renewable Energy Laboratory (NREL) has launched a new tool and redesigned DOE's Alternative Fuels Data Center Web site to help fleet managers, municipalities and consumers choose from a wide variety of alternative fuels and energy efficiency strategies for reducing petroleum use, vehicle emissions, and operating costs.
NEW DELHI — Like China two decades ago and the United States in 1950, India stands on the cusp of transformational economic and social change, a jumping-off point at which the demand for electricity is about to explode.