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In Minnesota, fighting climate change means changing how to heat buildings


In Minnesota, fighting climate change means changing how to heat buildings
Heat pumps help large commercial, residential sites cut costs, emissions. 
May 1, 2021 4:46pm
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Brian DeGidio admits he hasn t thought much about the environmental benefits of the air-source heat pumps he s working on atop a large apartment complex under construction in St. Paul.
It s a drizzly Friday and DeGidio is hooking refrigerant lines to condensing units that look like window air conditioners lined up across the roof. Greenhouse gas emissions aren t top of mind.
But the HVAC system he s working on swaps fossil fuels for cleaner electricity, and DeGidio is part of a quiet revolution underway in Minnesota as the state chases ways to cut global-warming gases. Buildings and the fossil fuels to heat and cool them are a big overlooked source of the heat-trapping ga ....

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Xcel, environmentalists square off over planned gas-fired power plant


Xcel, environmentalists square off over planned gas-fired power plant
Company cites need for grid reliability; opponents push for end to fossil fuel. 
March 6, 2021 8:00am
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The rise of natural gas-fired power was long welcomed or at least accepted by both utilities and clean-energy groups. Gas vanquished coal, cutting both carbon dioxide emissions and wholesale electricity costs.
But to renewable-energy advocates, gas days are numbered at least as far as building big power plants such as the one Xcel Energy is planning in Becker, Minn.
They say an emission-free combination of new wind and solar coupled with a fleet of grid batteries for power storage is cheaper and just as reliable as a new gas plant. ....

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