Madison officials introduced an ordinance to require benchmarks and tune-ups for large-scale commercial buildings as part of an effort to reduce carbon emissions.

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Global design firm Skidmore, Owings & Merrill has partnered with Prometheus Materials, a maker of zero-carbon building materials, to design and produce microalgae-based bricks and bio-concrete.

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Two companies seeking to build thousands of miles of pipeline across the Midwest are promising the effort will aid rather than hinder the fight against climate change, though some environmental groups remain skeptical.

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The United States is making a big bet on the role that farmers can play in mitigating climate change.

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Gov. Tony Evers is setting up a new office to help achieve his goal of 100% carbon-free electricity by 2050.

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Wisconsin Democrats defended the Obama administration's proposed carbon emission limits Wednesday in the face of mounting Republican opposition, arguing during a legislative hearing that the standards would help curb global warming, alleviate health problems and create jobs.

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A massive spending bill to provide money for five Cabinet departments for the upcoming budget year is about to hit the Senate floor, giving senators a rare opportunity for open debate on legislation of any kind. Maybe.

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By SETH BORENSTEIN AP Science Writer COPENHAGEN (AP) — As police cracked down on climate protesters, church bells tolled 350 times Sunday to impress on the U.N. global warming conference a number that is gaining a following, but is also ...

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Henry Sanderson AP Writer Beijing — China and other developing countries should join the United States in setting mid-century targets to cut carbon emissions in the battle against global warming, the U.S. energy secretary said Wednesday. The U.S. and China ...

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FRANK JORDANS AP Writer Geneva — Aviation groups in Europe announced a plan Tuesday to change the way commercial planes land in order to reduce their carbon dioxide emissions. By 2013 some 100 European airports will allow planes to descend ...

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