• Scientists are considering managed relocation of species threatened by global warming.
• Mandatory rationing of water usage helps the town of Bolinas in Northern California cope with water shortage caused by years of drought.
• The Climate Positive Development Program aims to develop entire urban communities with emissions less than zero.
• U.S. bike sales were higher than car sales in the first quarter of 2009.
• The Center for Biological Diversity is suing the EPA over failure to acknowledge the impacts of ocean acidification on Washington's coastal waters.
• Historic Preservationists are debating the merits of adding solar panels and other green features to historic buildings.
• Meet the "Carbon Nine," the House Democrats who could decide the fate of the ACES Act.
• Ecuador's carbon credit plan leaves oil reserves untapped.
• Unpredictable weather seems to stimulate more complex songs in mockingbirds.
• Industries are pushing to expand the definition of renewable energy to include nuclear power plants, the burning of trash and waste from coal plants.
• Senator Alexander pushes for $700 billion to double the number of nuclear reactors nationwide.
• Biden talks green jobs in Denver.
• In the Midwest builders' associations are trying to prevent or delay building codes from getting stronger.
• One in three U.S. bees died this winter.

Think I missed anything really great? Feel free to share it in the comments section. Want news updates every day? Check out my colleague Ben Jervey's blog on Greenlight.