Here are the top environmental links folks are Digging today:

• Environmental Graffiti: "Environmental Graffiti Partners with Sony World Photography Awards"

NYT: "Carbon Detectives Are Tracking Gases in Colorado"

U.S. News & World Report: "Obama Likely to Boost Water Quality Rules After Years of Lax Regulation"

• Greenfyre's: "Global Warming is over! once every decade or so …"

• NASA [photo]: "Astronomy Picture of the Day: An Alaskan Volcano Erupts"

Russell McLendon ( @russmclendon ) writes about humans and other wildlife.