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This NYC high-rise is using heat pumps and waste heat…

Buildings everywhere need to get off fossil fuels in order to help the world avoid climate catastrophe. Yet owners of large commercial buildings in New York City are especially feeling the pressure: The groundbreaking Local Law 97 takes effect this year, requiring buildings of more than 25,000 square feet to meet specific emissions limits, which become

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NSW gets lion’s share as 19 solar, wind and hybrid projects win Australia’s biggest renewable tender

A total of 19 solar, wind and hybrid projects have been named as winners of Australia’s largest ever renewable energy tender, with NSW – as designed – to host the lion’s share to help its massive and urgent task of replacing the country’s biggest fleet of ageing coal generators. The other big winners of the

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San Francisco’s hydrogen ferry launches in world first

Most ferries in the United States run on diesel fuel, with groaning engines that spew harmful emissions into waterfront communities. But in San Francisco, passengers on the city’s newest vessel will find the trip to be much quieter and cleaner as they zip around the bay. On Friday, a hydrogen-powered ferry called Sea Change officially launched after

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How Germany outfitted half a million balconies with…

Despite the hype, most users concede that balcony solar provides modest cost and energy savings. Weyland spent around $530 for his 600-watt-capacity system. While he’s happy with how his south-facing panels perform during balmy weather, such days are rare in northern Germany. He estimates that he’ll save around $100 in annual electricity costs and recoup his

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Power, control and symbolic masculinity: How Freud might diagnose the pro nuclear lobby

When faced with arguments for nuclear power in Australia, many in the energy industry scratch their heads and wonder where they are coming from – the fossil fuel lobby, political ideology and other vested interests are often cited as the reasons, along with a hatred of renewables. On close inspection, nuclear – at least in

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Rooftop solar keeps getting more accessible. Here’s…

I asked the authors why they think it’s important to track incomes and other demographic information for rooftop solar customers. “Distributed solar has for a long time benefited from public policy, from policies that, ultimately, everybody is paying for whether it’s through tax credits or through utility rates,” Barbose said. ​“Because the cost of these policies

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Want to make EVs cheaper? Figure out what their used…

Diesel-fueled trucks and buses account for an outsized share of carbon emissions and air pollution. Converting those fleets to battery-electric vehicles could go a long way toward decarbonizing the transportation sector. The upfront price of electric vehicles is one of the biggest barriers to overcome. Though electric buses and trucks cost less to fuel and maintain

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