Giving back to the Earth. As a scientist who studies climate change, Hadi Dowlatabadi is acutely aware of the harmful effects on the environment from human activities that release carbon dioxide in the air. [News Source]

Clean crew in town. There's a new lawn care service in Fort Collins that is quietly and cleanly cutting its way into the competition. It has gone all electric, recharging its mowers with electricity from Fort Collins' wind power program. [News Source]

Biodiesel puts on a suit. In recent years, biodiesel has started to make inroads in industries that consume large amounts of fuel. [News Source]

Power play. New maps of proposed 'energy corridors' along thousands of miles of public lands in 11 western states are raising more questions than answers. [News Source]

Cycles of change. The debate over the factors contributing to global warming and the proper response to it must be put into historical context. [News Source]

Park’s just beachy. Wedged between a wastewater treatment plant and a sludge-roasting fertilizer factory, Barretto Point may seem an unlikely spot for a park. [News Source]

State may tighten regs on oil and gas air emissions. The sheer volume of oil and gas activity in Colorado has health department officials worried about impacts to air quality. [News Source]

Steelworkers, Sierra club join on globalization. The country's biggest manufacturing union and its biggest collection of environmentalists are joining forces to combat what they say is mounting damage from globalization of the economy and global climate change. [News Source]

Tale of two smelters. Two aluminum smelters are earmarked for South Trinidad but they are having entirely opposite reactions from the people they affect most-residents who are to be displaced by their construction. [News Source]

Wood burners warned: ‘Clean up or face chop.’ The Environmental Protection Agency will call for a ban on wood heaters unless Melburnians learn to reduce the toxic fumes coming from their home fires. [News Source]

Global warming’s silver lining — more crops — not a certainty. Scientists had thought that there was one potential upside to global warming: more food to feed the world. [News Source]