In August 1999, the U.S. Global Change Research Program (USGCRP) commissioned a panel of experts (referred to in this report as the Water Cycle Study Group, WCSG) to advise the USGCRP agencies on ...
The global water cycle describes the circulation of water—a vital and dynamic substance—in its liquid, solid, and vapor phases as it moves through the atmosphere, the land, and the rivers, lakes, and ...
Human activity is changing the way water flows between the Earth and atmosphere in complex ways and with likely long-lasting consequences that are hard to picture. Researchers enlisted water ...
Scientists have developed a powerful new way to trace the journey of water across the planet by reading tiny atomic clues hidden inside it. Slightly heavier versions of hydrogen and oxygen, called ...
Water is made of hydrogen and oxygen, and sometimes these atoms are slightly heavier than usual. These heavier forms are ...
Add Yahoo as a preferred source to see more of our stories on Google. The water cycle that shuttles Earth’s most vital resource around in an unending, life-giving loop is in trouble. Climate change ...
Beyond the rainforests, scientists are zeroing in on changes occurring to a natural water cycle that could forever alter the Amazon. The Amazon has always gone through periods of drought or abnormally ...
NASA launched a lunar orbiter Wednesday night that will trace the Moon's elusive water cycle. Lunar Trailblazer, a collaboration between NASA, Northern Arizona University, and Lockheed Martin Space, ...