Less than two weeks ahead of the United Nations climate conference, Bill Gates posted a memo on his personal blog encouraging folks to just calm down about climate change.
“Although climate change will have serious consequences — particularly for people in the poorest countries — it will not lead to humanity’s demise. People will be able to live and thrive in most places on Earth for the foreseeable future,” Gates wrote.
The missive seems to run counter to earlier climate actions taken by the Microsoft co-founder and billionaire, but also echoes Gates’ long-held priorities and perspectives. In some regards, it’s the framing, timing and broader political context that heighten the memo’s impact.
What the world needs to do, he said, is to shift the goals away from reducing carbon emissions and keeping warming below agreed-upon temperature targets.
“This is a chance to refocus on the metric that should count even more than emissions and temperature change: improving lives,” he wrote. “Our chief goal should be to prevent suffering, particularly for those in the toughest conditions who live in the world’s poorest countries.“
More than four years ago, Gates published “How to Avoid a Climate Disaster,” a book highlighting the urgency and necessity of cutting carbon emissions and promoting the need to reduce “green premiums” in order to make climate friendly technologies as cheap as unsustainable alternatives.
“It’ll be tougher than anything humanity’s ever done, and only by staying constant in working on this over the next 30 years do we have a chance to do it,” Gates told GeekWire in 2021. “Having some people who think it’s easy will be an impediment. Having people who think that it’s not important will be an impediment.”
Gates’ clean energy efforts go back even earlier. In 2006 he helped launch the next-gen nuclear company TerraPower, which is currently building its first reactor in Wyoming. In 2015 he founded Breakthrough Energy Ventures, a $1 billion fund to support carbon-cutting startups, which evolved into Breakthrough Energy, an umbrella organization tackling clean tech policies, funding for researchers and data generation.
Earlier this year, however, Gates began taking steps that suggested a cooling commitment to the challenge.
Roughly two months after President Trump took office in January, and as clean energy policies and funding began getting axed, Breakthrough Energy laid off staff. In May Gates announced he would direct nearly all of his wealth to his eponymous global health foundation, deploying $200 billion through the organization over two decades.
At the same time, many of the key points in the memo published today reflect statements that Gates has made in the past.
In both his new post and at a 2022 global climate summit organized in Seattle by Breakthrough Energy, Gates urged people to focus on reducing green premiums more than on cutting emissions as a key benchmark.
“If you keep the primary measures, which is the emissions reductions in the near term, you’re going to be very depressed,” Gates said. At his summit talk, he shared optimism that new innovations were arriving quickly and would address climate challenges.
A curious paradox in Gates’ stance is the reality that people living in lower-income nations and in regions important to the Gates Foundation are often hardest hit by the rising temperatures and natural disasters that are stoked by increased carbon emissions.
Gates acknowledged that truth in his post this week, and said that solutions such as engineering drought tolerant crops and making air conditioning more widespread can address some of those harms. At the Seattle summit three years ago, one of the Breakthrough Energy executives likewise said the organization was going to increase its investment into technologies for adapting to climate change.
On Nov. 10, global climate leaders will meet in Brazil for COP30 to discuss climate progress and issues. Gates has often attended the event, but the New York Times reported that won’t be the case this year.
UN efforts meanwhile continue to emphasize the importance of reducing emissions. A statement today from the organization notes that while carbon emissions are curving downward, it’s not happening fast enough.
The world needs to raise its climate ambitions, the statement continues, “to avoid the worst climate impacts by limiting warming to 1.5°C this century, as science demands.”
EVERETT, Wash. — In an industrial stretch of Everett is a boxy, windowless building called Ursa. Inside that building is a vault built from concrete blocks up to 5 feet thick with an additional layer of radiation-absorbing plastic. Within that vault is Polaris, a machine that could change the world.
Helion Energy is trying to replicate the physics that fuel the sun and the stars — hence the celestial naming theme — to provide nearly limitless power on earth through fusion reactions.
The company recently invited a small group of journalists to visit its headquarters and see Polaris, which is the seventh iteration of its fusion generator and the prototype for a commercial facility called Orion that broke ground this summer in Malaga in Central Washington.
Few people outside of Helion have been provided such access; photographs were not allowed.
“We run these systems right now at 100 million degrees, about 10 times the temperature of the sun, and compress them to high pressure… the same pressure as the bottom of the Marianas Trench,” said Helion CEO and co-founder David Kirtley, referencing the deepest part of the ocean.
Polaris and its vault occupy a relative small footprint inside of Ursa. The majority of the space is filled with 2,500 power units. They’re configured into 4-foot-by-4-foot pallets, lined up in rows and stacked seven high. The units are packed with capacitors that are charged from the grid to provide super high intensity pulses of electricity — 100 gigawatts of peak power — that create the temperatures and pressure needed for fusion reactions.
All of that energy is carried through miles and miles of coaxial cables filled with copper, aluminum and custom-metal alloys. End-to-end, the cables would stretch across Washington state and back again — roughly 720 miles. They flow in thick, black bundles from the pallets into the vault. They curl on the floor in giant heaps before connecting to the tubular-shaped, 60-foot-long Polaris generator.
The ultimate goal is for the generator to force lightweight ions to fuse, creating a super hot plasma that expands, pushing on a magnetic field that surrounds it. The energy created by that expansion is directly captured and carried back the capacitors to recharge them so the process can be repeated over and over again.
And the small amount of extra power that’s produced by fusion goes into the electrical grid for others to use — or at least that’s the plan for the future.
Helion is a contender in a global race to generate fusion power for a rapidly escalating demand for electricity, driven in part by data centers and AI. No one so far has been able to make and capture enough energy from fusion to commercialize the process, but dozens of companies — including three other competitors in the Pacific Northwest — are trying.
The company aims by 2028 to begin producing energy at the Malaga site, which Microsoft has agreed to purchase. If it hits this extremely ambitious target — and many are highly skeptical — it could be the world’s first company to do so.
“There is a level of risk, of being aggressive with program development, new technology and timelines,” Kirtley said. “But I think it’s worth it. Fusion is the same process that happens in the stars. It has the promise of very low cost electricity that’s clean and safe and base load and always on. And so it’s worth being aggressive.”
Some in the sector worry that Helion will miss the mark and cast doubt on a sector that is working hard to prove itself. At a June event, the head of R&D for fusion competitor Zap Energy questioned Helion’s deadline.
“I don’t see a commercial application in the next few years happening,” said Ben Levitt. “There is a lot of complicated science and engineering still to be discovered and to be applied.”
Others are willing to take the bet. Helion has raised more than $1 billion from investors that include SoftBank, Lightspeed Venture Partners and Sam Altman, who is OpenAI’s CEO and co-founder, as well as Helion’s longtime chair of its board of directors. The company is able to unlock an additional $1.8 billion if it hits Polaris milestones.
The generator has been operating since December, running all day, five days a week, creating fusion, Kirtley said.
Helion is highly cautious — some would say too cautious — in sharing details on its progress. Helion officials say they must hold their tech close to the vest as Chinese competitors have stolen pieces of their intellectual property; critics say the secrecy makes it difficult for the scientific community to verify their likelihood of success in a very risky, highly technical field.
In August, Kirtley shared an online post about Helion’s power-producing strategy, which upends the conventional approach.
Most efforts are trying to achieve ignition in their fusion generators, which is a condition where the reactions produce more power than is required for fusion to occur. This feat was first accomplished at a national lab in California in 2022 — but it still wasn’t enough energy that one could put electricity on the grid.
Helion is not aiming for ignition but rather for a system that is so efficient it can capture enough energy from fusion without reaching that state.
Kirtley compares the strategy for producing power to regenerative braking in electric vehicles. Simply put, an EV’s battery gets the car moving, and regenerative braking by the driver puts energy back into the battery to help it run longer. In the fusion generator, the capacitors provide that initial power, and the fusion reaction resupplies the energy and a little bit more.
“We can recover electricity at high efficiency,” Kirtley said. Compared to other commercial fusion approaches, “we require a lot less fusion. Fusion is the hard part. My goal, ironically, is to do the minimum amount of fusion that we can deliver a product to the customer and generate electricity.”
While startup investment has been climbing lately, not all industries are partaking in the gains.
Cleantech is one of the spaces that’s been mostly left out. Overall funding to the space is down this year, despite some pockets of bullishness in areas like fusion and battery recycling.
The broad trend: Cleantech- and sustainability-related startup investment has been on a downward trajectory for several years now. And so far, 2025 is on track to be another down year.
On the bright side, however, there’s been some pickup in recent months, boosted by big rounds for companies in energy storage, fusion and other cleantech subsectors.
The numbers: Investors put an estimated $20 billion into seed- through growth-stage funding to companies in cleantech, EV and sustainability-related categories so far this year.
That puts 2025 funding on track to come in well below last year’s levels, which were already at a multiyear low.
Still, quarter by quarter, the pattern looks more encouraging. Investment hit a low point in Q1 of this year and recovered some in the subsequent two quarters. The current quarter is also off to a strong start.
Noteworthy recent rounds
The largest cleantech-related round of the year closed this month. Base Power, a provider of residential battery backup systems and electricity plans, raised $1 billion in Series C funding. The Austin, Texas-based company says its systems allow energy providers to more efficiently harness renewable power.
The second-largest round was Commonwealth Fusion Systems’ $863 million Series B2 financing. The Devens, Massachusetts-based company says it is moving closer to being the first in the world to commercialize fusion power.
For a bigger-picture view, below we put together a list of 10 of the year’s largest cleantech- and sustainability-related financings.
The broad takeaway: Startups innovating for an era of rising power consumption
Not to over-generalize, but if there was one big takeaway from recent cleantech and sustainability startup funding, it would be that founders and investors recognize that these are times of ever-escalating energy demand. They’re planning accordingly, looking to tap new sources of power, fusion in particular, as well as better utilize and scale existing clean energy sources.
Illustration: Dom Guzman
The post America’s AI Future: AMD Powers U.S. Sovereign AI appeared first on StartupHub.ai.
AMD and the DOE are launching Lux and Discovery supercomputers at ORNL, a $1 billion investment to establish secure U.S. Sovereign AI infrastructure.
The post America’s AI Future: AMD Powers U.S. Sovereign AI appeared first on StartupHub.ai.
Nigeria is targeting 277 gigawatts of power by 2060, which will cost over $400 billion; in the short term, it has signed renewable energy deals worth $435M.
The post Nigeria bets $410B on renewables; Zimbabwe maps AI future appeared first on CoinGeek.
Hundreds of global leaders gathered in the Pacific Northwest this week for the inaugural One Ocean Week Seattle, a maritime conference with dozens of events that brought together company executives, government officials and advocates charting paths toward cleaner shipping, sustainable fishing and ocean conservation.
The conference, organized by Washington Maritime Blue, was anchored by Wednesday’s One Ocean Summit, where leaders from global companies with Seattle ties discussed their climate progress and the challenges of deploying sustainable technologies.
Seattle-based SSA Marine, a global marine terminal operator, has 200 locations worldwide, moving cargo from ships to terminals and onto trains and trucks. The company has carbon emissions targets and is working to shift from gas and diesel to electrical power for the machines moving moving the cargo, but the move requires juggling sometimes competing factors.
“If you have a piece of electrical equipment, you have to think about charging time that’s required in between shifts, and when can you actually fit it in there?” said Meghan Weinman, SSA Marine’s vice president of sustainability. “One of those big pieces of innovation that we really have to think about is the overlay of technology, labor planning, and can it do the job that we need it to do.”
Corvus Energy is a Norwegian clean shipping company with Seattle offices and a manufacturing facility in Bellingham, Wash. The business is helping vessels go electric with its maritime battery technologies, serving ferries, cruise ships, tugs, cranes and fishing boats.
It’s an evolving sector and the company spends up to 15% of its annual revenue on research and development to fine-tune its technology to meet demanding oceanic conditions.
“It is totally different to operate a battery in an EV versus a maritime setting,” said Corvus CEO Fredrik Witte. “For an EV, you’re traveling three, four hours a day, maybe. But in a maritime setting, you’re potentially operating 24/7.”
Seattle’s Trident Seafoods operates fishing boats and onshore production facilities, including the largest seafood processing plant in North America in Akutan, Alaska. While seafood typically has a much lower carbon footprint than beef, pork or dairy, the company wants to reduce the climate impacts associated with its operations.
But Paul Doremus, Trident Seafoods’ vice president of policy and sustainability, pointed to a hard reality: the company competes directly with Russian and Chinese seafood companies that are doing business under less stringent environmental regulations.
He said the seafood sector — “which has been kind of famously fragmented, small, fairly scrappy” — needs to come together to collectively make improvements.
Doremus applauded events like One Ocean Week Seattle for gathering maritime interests to draw attention and capital toward “sustainable use of the ocean for the benefit of local communities, regional and national.”
“I think that’s the next wave,” he said.
The call for collaboration echoed throughout the One Ocean Summit, which also featured former NOAA Administrator Jane Lubchenco, United Nations officials, and Norway’s ambassador to the U.S.
Washington Lt. Gov. Denny Heck gave a welcome address, highlighting the state’s maritime economy while calling out threats from plastic pollution, undersea noise, and environmental degradation.
“To face these challenges, we will need to develop new technologies and strengthen our institutions,” Heck said. “It will require sustainable fuel storage, habitat restoration, quiet propulsion and so many other inventions and innovations. But more importantly, it will require the dedication and teamwork of thousands of people.”
The message was reinforced by Haakon Vatle, leader of the One Ocean Expedition, which is sailing a 111-year-old Norwegian tall ship across the globe. The ship, named the Statsraad Lehmkuhl, was moored just outside Bell Harbor International Conference Center during the event.
“The role of our ship is to create attention and share knowledge of the crucial role of the ocean for a sustainable future,” Vatle said. “We’re going to use a ship to reduce the gap between science and the public — get the people we need for the ocean we want. We cannot save the ocean alone.”
Editor’s note: GeekWire reporter Lisa Stiffler was the volunteer emcee of the One Ocean Summit.
Want to keep track of the largest startup funding deals in 2025 with our curated list of $100 million-plus venture deals to U.S.-based companies? Check out The Crunchbase Megadeals Board.
This is a weekly feature that runs down the week’s top 10 announced funding rounds in the U.S. Check out last week’s biggest funding rounds here.
This was another active week for large startup financings. AI data center developer Crusoe Energy Systems led with $1.38 billion in fresh financing, and several other megarounds were AI-focused startups. Other standouts hailed from a diverse array of sectors, including battery recycling, biotech and even fire suppression.
1. Crusoe Energy Systems, $1.38B, AI data centers: Crusoe Energy Systems, a developer of AI data centers and infrastructure, raised $1.38 billion in a financing led by Valor Equity Partners and Mubadala Capital. The deal sets a $10 billion+ valuation for the Denver-based company.
2. Avride, $375M, autonomous vehicles: Avride, a developer of technology to power autonomous vehicles and delivery robots, announced that it secured commitments of up to $375 million backed by Uber and Nebius Group. The 8-year-old, Austin, Texas-based company said it plans to launch its first robotaxi service on Uber’s platform in Dallas this year.
3. Redwood Materials, $350M, battery recycling: Battery recycling company Redwood Materials closed a $350 million Series E round led by Eclipse Ventures with participation from new investors including Nvidia’s NVentures. Founded in 2017, the Carson City, Nevada-based company has raised over $2 billion in known equity funding to date.
4. Uniphore, $260M, agentic AI: Uniphore, developer of an AI platform for businesses to deploy agentic AI, closed on $260 million in a Series F round that included backing from Nvidia, AMD, Snowflake Ventures and Databricks Ventures. The round sets a $2.5 billion valuation for the Palo Alto, California-based company.
5. Sesame, $250M, voice AI and smart glasses: San Francisco-based Sesame, a developer of conversational AI technology and smart glasses, picked up $250 million in a Series B round led by Sequoia Capital. The startup is headed by former Oculus CEO and co-founder Brendan Iribe.
6. OpenEvidence, $200M, AI for medicine: OpenEvidence, developer of an AI tool for medical professionals that has been nicknamed the “ChatGPT for doctors” reportedly raised $200 million in a GV-led round at a $6 billion valuation. Three months earlier, OpenEvidence pulled in $210 million at a $3.5 billion valuation.
7. Electra Therapeutics, $183M, biotech: Electra Therapeutics, a developer of therapies against novel targets for diseases in immunology and cancer, secured $183 million in a Series C round. Nextech Invest and EQT Life Sciences led the financing for the South San Francisco, California-based company.
8. LangChain, $125M, AI agents: LangChain, developer of a platform for engineering AI agents, picked up $125 million in fresh funding at a $1.25 billion valuation. IVP led the financing for the 3-year-old, San Francisco-based company.
9. ShopMy, $70M, brand marketing: New York-based ShopMy, a platform that connects brands and influencers, landed $70 million in a funding round led by Avenir. The financing sets a $1.5 billion valuation for the 5-year-old company.
10. Seneca, $60M, fire suppression: Seneca, a startup developing a fire suppression system that includes autonomous drones that help spot and put out fires, launched publicly with $60 million in initial funding. Caffeinated Capital and Convective Capital led the financing for the San Francisco-based company.
We tracked the largest announced rounds in the Crunchbase database that were raised by U.S.-based companies for the period of Oct. 18-24. Although most announced rounds are represented in the database, there could be a small time lag as some rounds are reported late in the week.
Illustration: Dom Guzman
Presented by Tulsa Innovation Labs
Tulsa was once called "the oil capital of the world,” and since its launch in 2022, Rose Rock Bridge (RRB), a Tulsa-based non-profit startup incubator led by Tulsa Innovation Labs, has been capitalizing on this heritage, aiming to source and support emerging technologies targeting the energy sector. To create a tech economy that becomes foundational to the future of the sustainable energy industry, and competes on the world stage, they're marrying the expertise and industry that already exists in Tulsa with promising entrepreneurial talent.
"Places like Tulsa, we’re tailor-made for tech excellence," says Jennifer Hankins, managing director, Tulsa Innovation Labs. "Our legacy as an oil and gas leader means we know how to build things, and we know how to capture big industries, and we're positioned to be a leader in energy innovation."
RRB, in partnership with major stakeholders, is helping put the region's strong corporate, academic, and workforce resources in the hands of innovative, early-stage startups developing the next-generation solutions that are solving pressing energy industry problems and opening up new markets.
"We're building the next generation of big energy companies that tackle global challenges in a way that's authentic to Tulsa's local expertise, and not one that feels more extractive to it," she adds. "
RRB has already accelerated 33 companies, initiated 22 active pilots with industry partners, and secured 11 customer contracts, resulting in over $50 million in funding raised by its member companies.
RRB's Rose Rock Bridge Showcase is a showcase and pitch competition presented in partnership with four local energy industry partners: Williams, ONEOK, Devon Energy, and Helmerich and Payne. These partners identify white space problems they're aiming to solve — this year, low carbon natural gas solutions — and RRB finds the startups that can solve them.
From a competitive pool of more than 50 applications, fourteen companies are selected to pitch for pilot opportunities and potential investment from leading Oklahoma energy companies. While most pitch competitions are seen as pathways to venture capital, the RRB model is designed to accelerate commercialization; instead of vying for funding alone, these companies are competing for the chance to put their technology into practice, Hankins explains.
"What sets the winners apart is the way they're solving big challenges with game-changing ideas in the energy space," Hankins says. "But above and beyond just a great idea, it has to be an idea that’s commercial. We can say that our companies have already demonstrated the technology. They’ve already validated it. They’ve secured a big customer, gained traction, are on the path to secure follow-on funding. Those are things that hold back most startups, and our program brings all of those three things together to accelerate commercialization."
Each startup receives $100,000 in non-dilutive funding to grow their business in Tulsa, along with support services and pilot opportunities through industry partners, equipping them with both the resources and real-world experience needed for long-term market integration — and a solid foothold in Tulsa.
This year's cohort is comprised of companies that are driving innovation in low carbon natural gas through technologies that enhance operations, control and reduce emissions, and turn waste from energy production into valuable materials:
Developing artificial intelligence/machine learning-assisted Raman Spectroscopy for real-time chemical analysis, which helps energy providers process their product more efficiently.
Erdin Guma, Eigen Control
Increasing the reliability of equipment while reducing methane emissions with spring-loaded electric valve actuators
Dean Pick, Kinitics Automation
Converting wastewater and stranded gas into clean methanol
Brian Worfolk, Lukera Energy
Making hazardous, high-risk environments safer with robotic inspection platforms.
Connor Crawford, Pike Robotics
"We talk a lot about stickiness," Hankins says. "Tulsa Innovation Labs, in addition to the Rose Rock Bridge initiative, is really focused on creating that supportive ecosystem in the region."
For example, ensuring these companies have lab space if necessary, connecting them to university partners to sharpen research and development, and helping them establish relationships and follow-on funding with other energy-related funds, and embedding them into the Tulsa energy tech landscape. The RRB entrepreneur in residence and executive in residence offer in-depth mentoring as well.
"I call it polishing the startups," Hankins explains. "You go through our program, get a pilot, get insight from the corporate perspective. That’s probably the highest value. But along the way, all the support to help you operationalize your company and your idea faster. We’re going to find a way that you’ll leave our program more ready to get to market, whether that be through some of those auxiliary supports, or we’re going to make sure that direct connection to the customer happens."
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