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Challenges, breakthroughs and big ideas in the race to protect our planet. SEE MORE

Jun 4, 2025, 11:38 AM

‘We’re definitely on the back foot’: U.S. risks losing fusion energy race to China, industry leaders warn

REDMOND, Wash. — The race to lead in artificial intelligence isn’t the only event in which the U.S. and China… Read More

Jun 4, 2025, 8:51 AM

Sparks fly: Seattle-area fusion startup rivals debate path to commercial power

REDMOND, Wash. — The conversation got a little heated at a Seattle-area conference Tuesday when three companies vying to commercialize… Read More

May 30, 2025, 9:55 AM

Seattle solar startup Omnidian names former Impinj leader as CFO after raising $87M

Omnidian, a startup specializing in solar power performance management, has hired Evan Fein as its new chief financial officer as… Read More

May 29, 2025, 9:00 AM

Microsoft’s carbon footprint rises 23.4% at halfway point to ambitious 2030 net-zero climate goal

Microsoft’s carbon footprint has grown 23.4% since the software and cloud giant set a goal in 2020 to shrink its… Read More

May 23, 2025, 9:29 AM

Groundbreaking fusion: Helion eyes rural Wash. for world’s first plant despite unproven tech

Nearly a century after construction began on Rock Island Dam — the first hydroelectric power plant on the Columbia River… Read More

May 21, 2025, 9:45 AM

Microsoft makes largest-ever biochar carbon removal deal as AI boom threatens climate ambitions

Microsoft today announced the world’s largest deal ever for biochar carbon removal: an agreement with Exomad Green to remove at… Read More

May 19, 2025, 12:53 PM

Climate goals vs. computing growth: How tech can expand data centers and support clean energy

Can tech companies’ appetite for more energy-hungry data centers coexist with the Pacific Northwest’s ambitious climate goals? Researchers at Sightline… Read More

May 16, 2025, 7:44 AM

Report: Sustainable aviation startup ZeroAvia aims for $150M to stay airborne through 2028

ZeroAvia, a sustainable aviation company with R&D and manufacturing operations in Everett, Wash., is trying to quickly raise a $150… Read More

May 15, 2025, 8:16 AM

Bill Gates’ pledge to give 99% of wealth to global health foundation could leave climate in the cold

Bill Gates’ announcement last week that he would give 99% of his wealth to the Gates Foundation was a shot… Read More

May 15, 2025, 5:00 AM

Irrigation tech startup Verdi raises $4.7M to help farmers monitor and control water flow

Agriculture tech startup Verdi raised a $4.7 million seed round to expand its technology for smarter irrigation of crops including… Read More

May 13, 2025, 5:27 PM

B.C. climate tech startup veritree raises $6.5M and lines up pledges to plant 100 million trees globally

Veritree, a Vancouver, B.C.-based climate tech startup supporting reforestation, announced $6.5 million in new funding on Tuesday. The company also… Read More

May 12, 2025, 3:06 PM

Battery company OneD reportedly closes Washington manufacturing site, citing tariff impacts

OneD Battery Sciences has shut down its pilot manufacturing facility in the Eastern Washington town of Moses Lake, according to… Read More

May 10, 2025, 8:07 AM

‘YIMBY AI’ wins Seattle climate hackathon with idea to support development of backyard units

Fourteen teams assembled this week to compete in a Seattle climate hackathon and the chance to win a share of… Read More

May 7, 2025, 12:25 PM

Microsoft protects Seattle-sized Washington forestland to help shrink its carbon footprint

Microsoft signed a deal to protect a swath of Washington forest that’s bigger than the city of Seattle as a… Read More

May 7, 2025, 8:48 AM

Lawmaker behind controversial ‘Tesla tax’ explains why Washington is targeting EV credits

Critics of a Washington tax that would largely impact Tesla accuse the state’s Democratic lawmakers of taking punitive action against Elon… Read More

May 5, 2025, 10:13 AM

General Fusion CEO asks for new investors as Bezos-backed energy company lays off employees

General Fusion CEO Greg Twinney issued a call for more funding as he shared news of layoffs at the energy… Read More

May 5, 2025, 7:00 AM

Recycling gets smarter: AI robots from Amazon-backed startup are sorting waste in Seattle

Entering Recology’s recycling facility in South Seattle stuns your senses. The din from heavy machinery is continuous. While recycled goods… Read More

Apr 28, 2025, 10:41 AM

‘Tesla tax’ on EV credits quickly passed by Washington lawmakers with limited public input

Voting along party lines as the legislative session neared its end, Washington state lawmakers approved a controversial bill over the… Read More

Apr 28, 2025, 8:11 AM

Inside Amazon’s sustainability lab: Grueling tests forge the future of planet-friendly plastics

In its pursuit of planet-friendly plastics, Amazon is putting candidate materials through a series of devices that recall medieval torture… Read More

Apr 23, 2025, 8:16 AM

Solar power servicing company Omnidian raises $87M to spark growth

Omnidian, a Seattle company that manages solar power performance and services the panels for commercial and residential installations, announced an… Read More

Apr 16, 2025, 6:00 AM

Climate-focused venture firm Stepchange raises $7M to back startups with ‘immediate’ impact

Seattle-based venture firm Stepchange announced that it closed its first fund, raising $7 million to invest in climate-focused startups. The… Read More

Apr 11, 2025, 9:42 AM

Microsoft and B.C. startup ink massive carbon removal deal targeting pulp and paper mills

Microsoft and CO280, a Vancouver, B.C.-based startup, today announced a 12-year deal to capture and store carbon emitted from a… Read More

Apr 10, 2025, 8:00 AM

Fusion R&D hub aims to break ground in Eastern Washington this summer

Seattle startup Avalanche Energy plans to open a first-of-its-kind facility for commercial-scale testing of radioactive fusion technologies in Eastern Washington.… Read More

Apr 7, 2025, 7:30 AM

Climate consulting firm Earth Finance acquires Google-backed environmental data startup

Earth Finance, a Seattle-area company that helps businesses reduce their climate impacts, acquired Climate Engine, a startup that provides analysis… Read More

Apr 4, 2025, 12:52 PM

Self-charging drones for power line inspections land top prize at UW enviro innovation contest

A team of students from the University of Washington is developing self-charging drones that use AI to survey electrical lines… Read More

Mar 27, 2025, 3:04 PM

Seattle startup Shelf Engine acquired by retail data company Crisp

Seattle startup Shelf Engine, a company helping grocers manage their inventory, was acquired by Crisp, a New York-based retail data… Read More

Mar 25, 2025, 5:00 AM

Sironix, which turns soybeans into cleaning ingredients, raises $3.5M to fund manufacturing

Sironix Renewables, a startup turning coconuts and soybeans into high-performing cleaning ingredients, has raised $3.5 million from investors and $400,000… Read More

Mar 21, 2025, 9:49 AM

TerraPower CEO says company on track to deploy first-of-a-kind next-gen nuclear plant in 5 years

TerraPower CEO Chris Levesque offered a sunny picture for the work underway at the Bill Gates-backed nuclear power company in… Read More

Mar 20, 2025, 7:41 AM

GeekWire Awards: Sustainable Innovation finalists create, destroy and transform to protect the planet

The Sustainable Innovation of the Year finalists for the 2025 GeekWire Awards sound like they could be wizards or minor… Read More

Mar 17, 2025, 5:00 AM

This Seattle-area startup just raised $600K to capture carbon and turn it into graphite

Sustainable tech startup Homeostasis is capturing carbon in a form that the world has too much of — atmospheric CO₂… Read More

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