The Download: weight-loss drugs slowing aging and carbon dioxide batteries

This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology. Weight-loss drugs show signs of slowing biological aging, say drugmake…
Weight-loss drugs show signs of slowing biological aging, say drugmakers

Popular weight-loss drugs may do more than help people shed pounds. They might also melt away the years. Drug giants Eli Lilly and Novo Nordisk say patients taking their drugs age less quickly, according to readouts from…
The Download: 10 climate tech companies to watch

This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology. 10 climate tech companies to watch Each year, MIT Technology Review pu…
Form Energy and its iron batteries

Form Energy is building iron-based batteries that can store energy for multiple days. The company is ramping up supply at its factory and signing deals for commercial projects. New solar and wind installations produce el…
WeLion New Energy and its semi-solid-state batteries

WeLion New Energy is on a quest to make safer, better batteries. The company’s semi-solid-state cells could improve safety and offer greater energy density than lithium-ion batteries to power electric cars, boats, and …
Here’s how our climate team picked 10 promising companies to watch

As the team at MIT Technology Review set out to choose companies for this year’s edition of our annual list of Climate Tech Companies to Watch, the challenge felt more daunting than any year since we started compiling …
2026 Climate Tech Companies to Watch

2026 Climate Tech Companies to Watch
WaveSave and its portable rubber dam

As sea levels rise and flood risks worsen due to global warming, WaveSave’s easy-to-erect portable dam offers a quick-response tool. People can use the dam to protect themselves and their property, and it can also stor…
Brimstone and its one-stop process for making cleaner cement and critical minerals

Brimstone is making strides on two industrial problems, reducing the emissions from cement and providing a way to produce more critical minerals within the US. If the company can do both, with the same rocks in the same …
Energy Dome and its carbon dioxide batteries

There’s a growing need for long-duration storage to meet energy demand and balance out renewables on the grid. Energy Dome uses compressed carbon dioxide gas in its massive grid batteries, which can deliver power for u…