UN climate chief praises warming actions. American states and private companies are adopting laudable initiatives on global warming, but the United States will lag behind Europe for years to come, the new U.N. climate chief said Friday. [News Source]

Napolitano sets goal to reduce greenhouse gases. Gov. Janet Napolitano on Friday signed an executive order setting goals for the state of Arizona to reduce emissions of carbon dioxide and other greenhouse gases. [News Source]

Governor moves to cut vehicle emissions. Gov. Janet Napolitano took the first step Friday toward what eventually could be a ban on the sale of cars and light trucks that produce large amounts of "greenhouse gases." [News Source]

UVic scientists help dispel bubbles theory as cause of warming. A Canadadian-U.S. team of researchers have dispelled a popular theory about the decline of the last ice age 12,000 years ago. [News Source]

Going to court over climate change. The problem of climate change just landed squarely on the desk of the US Supreme Court. [News Source]

El niño might signal end of hurricane season. NOAA's Climate Prediction Center says an El Niño is setting up in the Eastern Pacific that could cut short the Atlantic hurricane season. [News Source]

A star’s down-to-earth role. By adopting a neighborhood, Brad Pitt's hope is to jump-start the rebuilding process while providing a new standard for architecture that would give the rebuilt city a reputation for forward-thinking design and energy efficiency. [News Source]

The world in hot water.

One reason that Californians are so out front on this issue is that they know what warming could do to one of the state’s most important sources of water: the snow pack of the Sierra Nevada mountains.

Young activists to battle Ottawa on climate change (CNews) TORONTO (CP) - A group of young activists, drinking free-trade coffee and eating organic fruit, is gathering in Toronto this weekend in an effort to inject their voice into what governments should do to address climate change. [News Source]