EPA cancels plan to clean up polluting Texas coal plants

October 6, 2017 by  
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Big Brown, a coal -fired Texas power plant, spews out sulfur dioxide at rates as much as 50 times higher than coal plants fitted with newer technology. Under President Barack Obama , the Environmental Protection Agency (EPA) aimed to clean up Big Brown and six other Texas plants in three to five years. But President Donald Trump’s EPA, headed by Scott Pruitt , just released a final rule that will enable these polluting plants to keep on pumping lung irritants into the air. Big Brown and the other six plants together generate more sulfur dioxide pollution than power stations from over 25 states combined, according to Sierra Club senior attorney Elena Saxonhouse. She wrote the former EPA had slated the stations for cleanup, “setting emission limits for sulfur dioxide consistent with modern scrubbers,” equipment that can yank out sulfur dioxide before it billows out of a plant’s smokestacks. The two boilers at Big Brown and nine other coal-fired boilers don’t have scrubbers at all. Four other boilers also part of the proposal do have scrubbers, but they’re from the 1970’s and don’t work as well as modern technology. Related: Trump administration halts study on health risks of living near coal mining sites But it seems Pruitt doesn’t care about harmful pollutants. He tossed out the proposed rule for a final rule Sierra Club described as a do-nothing plan, where Big Brown and the other plants can go on polluting as normal. Saxonhouse wrote in an article for Sierra Club, “Pruitt’s decision to scrap the proposed clean air protections fits a pattern of backward-looking decisions in this Administration , which has tied itself in knots trying to prop up the coal industry .” The cleanup plan would have implemented the Clean Air Act’s Regional Haze program. The proposed upgrades would have removed over 180,000 tons of sulfur dioxide pollution a year. One analysis found the proposal could have saved over 600 lives every single year. But the final rule means the coal plants can keep polluting, potentially leading to harmful health impacts for humans. According to Saxonhouse, “In making this about-face, EPA had to shove aside reams of technical and scientific data prepared by the previous administration, and ignore the legal framework of the Regional Haze program. And EPA failed to take any public comment on the new plan, despite the fact that thousands of citizens had written in to support the strong proposal.” Via Sierra Club Images via Larry D. Moore/Wikimedia Commons and Roy Luck on Flickr

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EPA cancels plan to clean up polluting Texas coal plants

Food-producing reACT home sustainably and intelligently adapts to your needs

October 6, 2017 by  
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The homes of the future will be smart, responsive, and even save us money. University of Maryland students let us take a peek into what the future may hold with reACT, a smart sustainable home that rethinks architecture as living organisms. Created as a “kit of parts,” this modular solar-powered dwelling is likened to a home-building kit that can be easily shipped out and readily adapted to different needs and environments. Most impressively, reACT —short for Resilient Adaptive Climate Technology—is self-sufficient and generates clean energy, recycles waste, self-regulates its building systems, and even produces clean water and grows nutrient-rich foods. UMD students designed and built reACT for a married couple living in Denver, Colorado, who are also members of the St. Croix Chippewa Indians of Wisconsin. The solar-powered home draws inspiration from the clients’ Native American roots to demonstrate how reACT’s innovative building system with off-grid capabilities can be customized to unique occupant needs. Thus, the reACT prototype incorporates Native American influences such as materials, patterns, and even ancestral farming practices, which can be found in the hydroponic garden, exterior vegetable garden, and movable living walls. The modular design allows the homeowners to expand or contract the house as needed. “Team Maryland created Resilient Adaptive Climate Technology to showcase how a sustainable future is more than just designing a better built home; it is a lifestyle system that incorporates a home with its surrounding environment, interacts with its occupants, and strives to give back more than it takes,” wrote the students. “This lifestyle system is supported by regeneratively mindful innovations that can be seen and explored throughout reACT communications. A modular ‘kit-of-parts’ home is the base of reACT as a lifestyle system. The ability to customize a home to adapt to the occupant’s unique needs is complimented by the technologies and innovations that increase energy efficiency , power generation, comfort, self-reliance, and overall enhance sustainable living.” Related: University of Maryland’s WaterShed Solar Decathlon House Takes First Place In Architecture! The modular reACT home is designed around a central courtyard with an operable glass roof and wall panels to bring light into the interior and serve as a solar heat collector. A solar electric photovoltaic array harnesses renewable energy and stores it in an on-site battery. Residents will have the option to sell energy back to the grid. The reACT home also produces clean water through rainwater and gray water collection and treatment systems. Indoor gardening creates the home’s green core where nutrient-rich foods are grown using organic waste gathered from the composting toilet. Self-regulating building systems, achieved through automation, program the home to become more energy efficient over time as the virtual house technology learns from its environment and the occupants’ lifestyles. The reACT home is the University of Maryland’s submission to this year’s Solar Decathlon competition. Once the competition is over, reACT will be shipped back to Maryland and installed next to Maryland’s Solar Decathlon 2007 second-place house in a sustainability park for further research and development. + Solar Decathlon Images via Mike Chino

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Food-producing reACT home sustainably and intelligently adapts to your needs

Study Claims Driving Electric and Hybrid Vehicles Won’t Slow Climate Change

March 5, 2014 by  
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Researchers from North Carolina State University report that despite the recent increase in electric drive passenger vehicles (EDVs) sales, will not significantly reduce emissions of high-profile air pollutants such as carbon dioxide, sulfur dioxide or nitrogen oxides – even if the trend continues to 2050. But their study assumes that EVs and hybrids will always be powered by fossil fuels, even though renewables are being rapidly implemented not only in the United States, but across the globe. Read the rest of Study Claims Driving Electric and Hybrid Vehicles Won’t Slow Climate Change Permalink | Add to del.icio.us | digg Post tags: carbon dioxide , carbon emissions , EDVs , electric hybrid vehicles , electric vehicles , hybrid vehicles , nitrogen oxides , north carolina state unversity , prius , sulfur dioxide , us emission        

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Study Claims Driving Electric and Hybrid Vehicles Won’t Slow Climate Change

Cap & Trade Cut Emissions 50% in 20 years

December 12, 2009 by  
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It’s official. The Acid Rain Cap and Trade program worked

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Cap & Trade Cut Emissions 50% in 20 years

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