The Senate is poised to pass a bill which would approve more extensive logging on more than 20 million acres of federal forests. The House of Representatives is considering legislation that would devote a record $2.9 billion for firefighting and…

A giant geometric flare unleashed by the sun threatened to disrupt airline and satellite communications and trigger shutdowns on electrical power grids Wednesday. Margaret Warner talks to an expert about what causes solar flares and how they affect Earth.

Wind-swept wildfires have consumed 522,000 acres of Southern California, destroyed 1,552 homes and claimed 17 lives. Jeffrey Kaye of KCET-Los Angeles provides a firsthand view of the devastation from the fireline in San Bernadino.

China's mammoth Yangtse River will soon be controlled by the largest dam ever built, but the edifice is still not strong enough to quell the tide of corruption. Ian Williams of Independent Television News reports on some of the human…

Western regions of the United States continue to cope with the decimation caused by the lack of rain. Ted Robbins of KUAT in Tucson, Ariz., provides an update on the drought.

Upgrading the U.S. electric transmission grid to prevent future blackouts could cost $100 billion, according to an industry report released Monday. Experts discuss these proposed improvements to the grid system and the investigation into the cause of the August 14…