Articles

Heat pumps

Boston is piloting window heat pumps in affordable housing

Housing authorities in Boston and two nearby cities are installing plug-in heat pumps from startup Gradient to try to swiftly and affordably cut emissions.

By Alison F. Takemura . 14 October 2025
Solar

Can farmland thrive with solar? This Virginia nonprofit is finding out.

The agrivoltaics demonstration project is experimenting with growing crops under solar panels to determine what works and help educate a wary public.

By Elizabeth Ouzts . 14 October 2025
Solar

Canceled solar megaproject reveals new Trump-era threat to renewables

The Esmeralda 7 development would have been the largest solar farm in the U.S. But it was sited on federal land, so it needed an OK from the Trump admin.

By Julian Spector . 13 October 2025
Clean industry

How Trump gutted the team meant to build America’s energy future

The Office of Clean Energy Demonstrations had over $25 billion to help companies scale novel low-carbon technologies. Trump is working to erase it.

By Maria Gallucci . 13 October 2025
Offshore wind

Massachusetts offshore wind port uncertain after federal funding cuts

Salem residents worked for years on plans for a port that offered economic development and other community benefits. Then the Trump administration canceled funding.

By Sarah Shemkus . 13 October 2025
Offshore wind

No ship? New York offshore wind project faces yet another hurdle

Equinor’s embattled Empire Wind project was banking on a new ship to install turbines. The vessel is almost 99% complete, but now the shipbuilders are pulling out.

By Clare Fieseler . 10 October 2025
Hydrogen

Trump’s cuts to billion-dollar hydrogen hubs rattle industry

The administration already slashed funding for two of seven hydrogen hubs and appears poised to target others, a move experts say will hurt U.S. competitiveness.

By Alexander C. Kaufman . 10 October 2025
Clean energy

This mysterious DOE ‘hit list’ has the clean-energy world on edge

A leaked list appears to put nearly $24B in federal clean-energy funding on the chopping block, but will the DOE go through with it?

By Kathryn Krawczyk . 10 October 2025
Clean energy

Chart: In a first, world gets more power from renewables than coal

The world is still burning through enormous amounts of coal, but the energy source is stagnating as renewables — and solar in particular — soar.

By Dan McCarthy . 10 October 2025
Batteries

Base Power hauls in $1B for mass deployment of huge home batteries

It’s a standout fundraise for the current cleantech market. The Texas startup will use the money to beef up manufacturing and install batteries even faster.

By Julian Spector . 9 October 2025