The Download: testing six tech promises and biotech’s blind spots
This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in...
tech
Why we’re watching these climate tech companies
Our chosen companies tend to reflect several aspects of the current moment. Here are some of the companies we picked...
2026 Climate Tech Companies to Watch
Credits EditorialLead editor: Amy NordrumClimate team: Casey Crownhart, James TempleEditing: Casey Crownhart, Niall Firth, Mary Beth Griggs, Corinne Iozzio, Amy...
2026 Climate Tech Companies to Watch: WeLion New Energy and its semi-solid-state batteries
Also, in lithium-based batteries the electrolyte, which facilitates ion transfer, uses a flammable liquid that can create a fire hazard. ...
2026 Climate Tech Companies to Watch: Form Energy and its iron batteries
Form Energy wants to build cheaper long-duration energy storage technology. The company has developed a new type of battery, built...
2026 Climate Tech Companies to Watch: X-energy and its helium-cooled nuclear reactors
X-energy’s proposed Xe-100 reactor will use helium gas as a coolant instead, allowing it to operate at much lower pressures...
2026 Climate Tech Companies to Watch: Energy Dome and its carbon dioxide batteries
Compressing gas to store energy isn’t new—utilities have been using compressed air in underground caverns to hang on to reserves...
2026 Climate Tech Companies to Watch: Brimstone and its one-stop process for making cleaner cement and critical minerals
Brimstone also suffered a major stumble last year, when the Trump administration revoked a $189 million grant intended to subsidize...
2026 Climate Tech Companies to Watch: WaveSave and its portable rubber dam
Developed in 2013 in the Netherlands, SlamDam was initially tested and is still used today by regional water authorities in...
2026 Climate Tech Companies to Watch: BasiGo and its fleet of electric buses
The company doesn’t manufacture its own buses—the vehicles come from China and are assembled in Kenya. BasiGo’s innovation lies in...
10 climate tech companies to watch
We urgently need to cut emissions and avoid climate change’s most harmful effects, and that’s where our 10 companies come...
2026 Climate Tech Companies to Watch: Moment Energy and its shipping containers packed with old EV batteries
Today, their vision looks prescient. Disasters including hurricanes and wildfires continue to spur blackouts, and booming data center demand has...
The Download: climate tech companies to watch and AI’s discovery problem
Once a year, we compile a list of 10 companies that we believe have done the most, or have the...
Coming soon: Our 2026 list of Climate Tech Companies to Watch
Recognizing our ability to make such progress is why MIT Technology Review began publishing our annual list of Climate Tech...
The Download: mice with part-human brains and climate tech innovators
A team at Stanford has revealed the effort to mix brain tissues of distant species this week. They previously showed...
Meet the innovators under 35 shaping climate tech
Climate innovator Jae-Won Chung, for example, built software to make AI more energy-efficient. By measuring the energy demands of open-source...
The Download: AI’s real extinction threat and age-reversal tech for eyes
Join MIT Technology Review executive editor Niall Firth, senior AI editor Will Douglas Heaven, and AI reporter Grace Huckins for...
This geneticist’s age-reversal tech could help restore sight
Lu is behind one of the coolest results in rejuvenation science—and in eye research. In 2018, while earning his PhD...
Tech Experts Call Grand Theft Auto 6 The Most Visually Advanced Game To Date, Which Explains Why It’s Stuck At 30FPS
Grand Theft Auto 6 has finally had its first big gameplay reveal, giving us our first real look at Rockstar's...
MIT tech powered the Artemis II livestreams
During the original US missions to the moon in the 1960s and ’70s, astronauts relied on radio-frequency systems to communicate,...
The Download: NASA’s new telescope and Chinese tech import curbs
The must-reads I’ve combed the internet to find you today’s most fun/important/scary/fascinating stories about technology. 1 The US is considering...
