Each day, dressed in a clean uniform, she sets out on the hazardous hour-long walk to school.

UNESCO: MEDIA SERVICES

The Department of Energy, as part of its efforts to promote clean energy, launched OpenEI.org, containing dozens of clean energy resources and data sets, including maps of worldwide solar and wind potential, information on climate zones, and energy best practices.

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The Executive Order commits Federal agencies to lead by example toward a clean energy economy, and sets targets to reduce greenhouse gas pollution, increase energy efficiency, reduce fleet petroleum consumption, conserve water, reduce waste, support sustainable communities, and leverage Federal purchasing power to promote environmentally-responsible products and technologies.

WHITEHOUSE: Browse White House visitor logs

The EPA sets a standard for clean air at no more than 35 micrograms.

NPR: Sickening Fog Settles Over Salt Lake City Area