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 administration of President Barack Obama is vowing to press ahead with efforts to curtail greenhouse gas emissions after a divided Supreme Court put his signature plan to address climate change on hold until after legal challenges are resolved.

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With Dane County officials’ approval, construction will start soon on a system that will be used to capture carbon dioxide given off by the local landfill.

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The Supreme Court largely left intact Monday the Obama administration's only existing program to limit power plant and factory emissions of the gases blamed for global warming. But the divided court also rebuked environmental regulators for taking too much authority into their own hands without congressional approval.

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The Wisconsin Federation of College Republicans made national news recently for taking an audacious stand: In a statement bashing President Barack Obama’s “nanny-state” climate-change initiatives, the state campus group argued that this is an issue the GOP should address.

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A White House official says President Barack Obama is telling the State Department it shouldn't approve the Keystone XL pipeline unless it's sure the project won't increase greenhouse gas emissions.

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Agriculture Secretary Tom Vilsack says the federal government is renewing a pact with the dairy industry aimed at decreasing greenhouse gas emissions.

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Environmental groups and Flint Hills Resources announced an agreement Tuesday to cut greenhouse gas emissions and smog-forming air pollution from the company's planned upgrade at Minnesota's largest oil refinery.

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A federal appeals court Tuesday upheld the first regulations aimed at reducing the gases blamed for global warming, handing down perhaps the most significant decision on the issue since a 2007 Supreme Court ruling that greenhouse gases could be controlled as air pollutants.

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The Obama administration forged ahead on Tuesday with the first-ever limits on heat-trapping pollution from new power plants, ignoring protests from industry and Republicans who have said the regulation will raise electricity prices and kill off coal, the dominant U.S. energy source.

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