New computer model visualizations project significant changes in U.S. precipitation patterns under varying carbon dioxide emissions scenarios. By 2100, the southwestern U.S. could become

New computer model visualizations project significant changes in U.S. precipitation patterns under varying carbon dioxide emissions scenarios. By 2100, the southwestern U.S. could become considerably drier, while the northeastern U.S. may experience increased wetness.

These visualizations offer a powerful depiction of climate change impacts, illustrating the potential transformation of our nation's climate. As Allison Leidner, Ph.D., a NASA scientist, notes, they communicate these impacts in a way words cannot. For further details, explore the National Climate Assessment: globalchange.gov/what-we-do/assessment.

The continental U.S. could face an 8-degree Fahrenheit temperature increase by the end of the 21st century if carbon dioxide concentrations reach 800 parts per million. Current CO2 levels stand at

The continental U.S. could face an 8-degree Fahrenheit temperature increase by the end of the 21st century if carbon dioxide concentrations reach 800 parts per million. Current CO2 levels stand at 400 ppm and are rising faster than at any time in Earth's history.

These projections, from the draft National Climate Assessment, are vividly illustrated through computer model visualizations. Allison Leidner, a NASA scientist, emphasizes that these visualizations effectively communicate the dramatic potential changes to the nation's climate, including future temperature and precipitation scenarios.

Hilary Wiech of Sailors for the Sea highlights the Clean Regattas program, an initiative dedicated to ocean conservation. This program implements actions such as eliminating plastic water bottles

Hilary Wiech of Sailors for the Sea highlights the Clean Regattas program, an initiative dedicated to ocean conservation. This program implements actions such as eliminating plastic water bottles at regattas, providing environmental education for junior sailors, and collaborating with industry on sustainability best practices.

Clean Regattas was featured at the 2011 U.S. Team Racing Championship. Learn more about the program by visiting the Sailors for the Sea website.

People worldwide are expressing concern over climate change and the future of our cities.

Published on October 24, 2012, this GoodPlanet Foundation project is based on Yann

People worldwide are expressing concern over climate change and the future of our cities.

Published on October 24, 2012, this GoodPlanet Foundation project is based on Yann Arthus-Bertrand's 7Billion Others initiative and supported by BNP Paribas.

Uploaded on Dec 5, 2009

In 2003, following "Earth From Above," Yann Arthus-Bertrand, with Sibylle d'Orgeval and Baptiste Rouget-Luchaire, launched the