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Sustainability

Updated: A roundup of venture capital funding in clean energy

Batteries have won the lion’s share of recent cleantech venture capital — but here are some recent funding rounds for fusion, graphene, electrical panels, circuit breakers, geothermal drilling and direct-air capture of CO2.

90% clean power by 2035 is ‘challenging but feasible’

“90% by 2035 is the sweet spot” for a pathway that uses existing technology, allows “judicious use” of existing generation assets, and “achieves near-complete decarbonization in a realistic timeframe,” said study co-author Nikit Abhyankar of UC Berkeley. The resulting lower wholesale cost of electricity by 2035 “was a surprise for us.”

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First Solar backs carbon pricing for wholesale electricity

First Solar has backed carbon pricing in comments submitted to the Federal Energy Regulatory Commission. The firm also co-founded a global policy institute that supports carbon pricing as a “cost-effective, equitable and politically viable climate solution.”

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Climeworks just raised $75M to pull CO2 out of the atmosphere

Direct-air capture, along with its mythic sisters, clean coal and carbon capture and sequestration, is a process where CO2 from fossil generators and industrial sources is captured, treated and injected into underground earth formations for permanent storage or for industrial use.

Renewable energy in the US surpassed coal for first time in more than a century

The coal era is officially over in the United States. Not since 1885, when coal replaced wood, have renewables taken the lead.

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Record low solar PPAs in the Southwest mean ‘carbon capture is not going to save coal plants’

Recently approved solar PPAs could spell trouble for proponents of retrofitting the state’s San Juan Generating Station to capture the coal-fired plant’s carbon dioxide emissions.

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Solar panel recycling: Turning ticking time bombs into opportunities

With the average lifespan of a solar panel at roughly 20 years, installations from the early 2000s are set to reach end-of-life. Will they end up in landfill or be recycled? The cost of recycling is higher than landfill, and the value of recovered materials is smaller than the original, so there’s limited interest in recycling. But given the presence of heavy metals, if waste is managed poorly, we’re on track for another recycling crisis.

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It may be safe to put PV panels in landfills, but that doesn’t mean we should

According to a new report from the International Energy Agency (IEA), health risks from lead in crystalline silicon PV panels are one order of magnitude — or about one-tenth — below the risk levels set by the U.S. Environmental Protection Agency.

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Replacing peakers with storage to achieve the greatest health benefit

Regulators and community groups can use a new interactive resource to see the emissions impacts of existing and proposed peaker units. Storage developers may also find the tool helpful, to identify peakers likely to be replaced.

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Morning Brief: 5 experts predict the future of renewable energy, PG&E has procured more than 1 GW of storage

Also in the brief: Amazon has announced its first solar energy facility in China, the Borough of Chambersburg, Pennsylvania and Sun Tribe have agreed to a PPA, Michael Moore has given climate deniers a platform and more.

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