Xcel Energy has filed with the Colorado Public Utilities Commission for approval of a project that would produce electricity by burning dead wood and using the steam to turn an electrical turbine.]]> “I don’t speak for the scientific community, of course, but I believe the world’s getting warmer. I can’t prove that, but I believe based on what I read that the world is getting warmer. And number two, I believe that humans contribute to that.]]> Boulder recently joined the Center for Biological Diversity’s “Clean Air Cities” initiative, becoming the newest of the program’s 26 cities to sign on to the resolution in an attempt to pressure President Barack Obama and the Environmental Protection Agency to properly enforce the Clean Air Act.]]> This week’s “endangered bird becomes more endangered” news story is brought to you by the California condor, which researchers at the University of California, Santa Cruz, and the University of Colorado have found are continuing to be poisoned by lead from bullets, despite restrictions on the use of lead-based bullets in condor areas.]]> The Natural Resource Defense Council (NRDC), a nonprofit environmental advocacy group, is joining forces with more than 20 craft breweries to campaign for clean water.]]> Sierra Club Executive Director Michael Brune is roadtripping through Colorado this week to launch the Our Wild America campaign, designed to draw increased attention to America’s wild places in need of protection.]]> The City of Boulder is holding two events on May 18 from 10 a.m. to 2 p.m. at the East Boulder Community Center, 5660 Sioux Drive, to cover some summer concerns: water restrictions and a noxious weed eradication program.]]> As the world’s glaciers melt, the runoff contributes as much to sea rise as melting ice sheets, according to a study led by Clark University in Worcester, Mass., and the University of Colorado Boulder.]]> A thousand years ago, members of the Chaco civilization chose Chimney Rock as the site of a village of more than 200 homes.]]> Boulder-based photographer James Balog will discuss his work, which captures the effects of climate change on glaciers around the world, at 7 p.m. on Monday, April 1, at the University of Colorado’s Macky Auditorium.]]> Energy bills are no small matter for families with low income. ]]> Why spend all that money to fly to the tropics to experience the sights and sounds of tropical birds? After all, they will soon be arriving in Boulder.]]> Amid mounting criticism against a proposed copper mine in Bristol Bay, Alaska, a group of independent environmental scientists are crying foul at an Environmental Protection Agency (EPA) assessment of the prospective project.]]> Opponents of the proposed Pebble copper mine in Bristol Bay, Alaska, have come out in full force, flooding the Environmental Protection Agency (EPA) during a public comment period on the proposal with about 200,000 comments in opposition to the project, and the EPA is still counting.]]> The Republican-led House of Representatives passed the ‘No More Solyndras’ Act in a 245-161 vote Sept. 14.]]> Eight hundred volunteers for President Barack Obama’s 2008 campaign have signed a letter asking the president to create new protections for natural areas in Colorado, New Mexico and Nevada, including 341 people from Colorado.]]> If the “Farmer’s Assurance Provision,” currently making its way through Congress as a rider to the House Agricultural Appropriations Bill, passes, it will allow the biotech industry to continue to sell unapproved, genetically modified seeds to farmers even during legal challenges to the seeds’ safety.]]> If passed by the House, SB 252 would require rural cooperatives with more than 100,000 meters to obtain 25 percent of their electricity from renewable energy sources by 2020. To help compensate for extra costs, the bill would also allow co-ops to tack on an extra 2 percent to customer bills, rather than the 1 percent that gets added now.]]>