California tightens rules on emissions. California's legislature approved the broadest restrictions on carbon dioxide emissions in the nation yesterday. [News Source]

What global warming bill would do, who’s affected. AB 32 requires California's Air Resources Board to develop a program to reduce the state's greenhouse gas emissions to 1990 levels by 2020, a cut of about 25% from today's levels. [News Source]

Commute Solutions Month To Decrease Air Pollution (KXAN 36 Austin) With gasoline prices hovering at $3 per gallon, leaving the car at home and sharing a ride has never looked better. The price of gas might have eased a bit, but it's still a big bite in the wallet. [News Source]

Air Pollution May Affect Children Without Asthma (WCCO Minneapolis/St. Paul) For city-dwellers and suburbanites, the "hazy days of summer" doesn't refer just to barbeques and picnics anymore. It also means smog alerts, nasal congestion and health advisories. Watch The Video More Health News More Connecting 4 Kids [News Source]

Durban refinery at centre of pollution row (Independent Online) Durban health officials have ordered the Tongaat-Hulett sugar refinery to sort out air pollution problems - but the company denies that an August 10 36-hour shutdown had anything to do with the order. [News Source]

Real estate companies going green.

Lerner Enterprises and The Tower Cos. are buying wind-renewable energy to power a D.C. office building, called Washington Square, as well as their combined headquarters in Bethesda.

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Duke urged not to build coal-fired power plants. Duke Energy should invest in energy efficiency and renewable sources such as wind power rather than build its first new coal-fired power plants in 30 years. [News Source]

Energy producers left in dark over future. Confusion over where Canada is headed on climate change is hurting investment and must be cleared up, the country's energy producers warn. [News Source]

Eco-challenges huge. A sweeping report card on B.C.'s coastal environment shows industrial pollution is just a trickle of what it once was, but new threats loom -from global warming to the aggressive march of alien species. [News Source]

Scientists develop methods to lower greenhouse hazards. All over the world, in small and big ways, scientists are trying to fight back against a warmer world. [News Source]

Peabody gets EPA approval of air permit for proposed plant (Journal Gazette & Times Courier) ST. LOUIS - Peabody Energy Corp. pressed ahead Wednesday with plans for a $2 billion power plant in southern Illinois after getting the federal government's approval of an air-pollution permit environmentalists might continue to challenge. [News Source]