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What is methane and what's its role in climate change?

Methane is short-lived but its planet-heating effects are much stronger than CO2. A new report says action on cutting the gas is too slow. Where does it come from, and what can we do to stop it polluting the atmosphere?

New Report Finds Efforts to Slow Climate Change Are Working—Just Not Fast Enough

By virtually every key metric, efforts to fight climate change are going too slowly, according to findings by a coalition of climate groups. In some cases, things are moving in the wrong direction.

Biodiversity: A missing link in combating climate change

A lot of attention has been paid to how climate change can reduce biodiversity. Now MIT researchers have shown that the reverse is also true: Loss of biodiversity can jeopardize regrowth of tropical forests, one of Earth’s most powerful tools for mitigating climate change. Combining data from thousa...

Bill Gates’ old climate lobbyists launch a new firm

Members of Breakthrough Energy's policy team are back with a new organization, the Clean Economy Project, aimed at nudging lawmakers toward clean energy.

Brazil approves oil drilling near mouth of Amazon River

The government has granted the state-run Petrobras a license to drill for oil near the mouth of the Amazon. Environmentalists have slammed the decision, with Brazil hosting an upcoming UN climate summit.

The Download: a promising retina implant, and how climate change affects flowers

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. This retina implant lets people with vision loss do a crossword puzzle The news: Science Corporation—a competitor to Neuralink founded by the former president of...

Flowers of the future

Flowers play a key role in most landscapes, from urban to rural areas. There might be dandelions poking through the cracks in the pavement, wildflowers on the highway median, or poppies covering a hillside. We might notice the time of year they bloom and connect that to our changing climate. Perhaps...

Roundtables: Seeking Climate Solutions in Turbulent Times

Tuesday, October 28, 2025 In this session, senior climate reporter Casey Crownhart, senior climate editor James Temple, and science editor Mary Beth Griggs will examine how companies are pursuing climate solutions amid political shifts in the U.S. Drawing from the recently released 10 Climate Tech C...

Unlocking the potential of SAF with book and claim in air freight

Used in aviation, book and claim offers companies the ability to financially support the use of SAF even when it is not physically available at their locations. As companies that ship goods by air or provide air freight related services address a range of climate goals aiming to reduce emissions, th...

Paris Agreement has curbed deadly heating, but not by enough

Extreme heat, driven by climate change, is linked to half a million deaths per year. Scientists say meeting current goals to cut emissions could prevent around two months of dangerous heat annually.

CO2 from wildfires increases by 9% as climate crisis supercharges infernos

Greenhouse gases from wildfires at sixth highest level on record after blazes in large areas of the Americas and Africa

Record renewable energy growth falls short of climate goals

While a record 582 gigawatts of renewable energy was added to the grid in 2024, the international renewable energy agency IRENA said this was not enough to meet global climate targets.

The Download: mysteries of the immunome, and how to choose a climate tech pioneer

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. How healthy am I? My immunome knows the score.   Made up of 1.8 trillion cells and trillions more proteins, metabolites, mRNA, and other biomolecules, every perso...

Ubisoft reportedly canceled an Assassin's Creed game featuring a Black Assassin confronting the Ku Klux Klan during the 1800s due to Yasuke backlash and the political climate in the US

Ubisoft reportedly canceled an Assassin's Creed game featuring a Black protagonist during the post-Civil War period due to the political state of the US and Yasuke backlash.

3 takeaways about climate tech right now

On Monday, we published our 2025 edition of Climate Tech Companies to Watch. This marks the third time we’ve put the list together, and it’s become one of my favorite projects to work on every year.  In the journalism world, it’s easy to get caught up in the latest news, whether it’s a fundraising r...

‘Humanitarian’ visa must be created for Pacific Islanders displaced by climate crisis, experts say

Calls for reform to allow people across the Pacific threatened by climate crisis to more easily migrate, particularly to New Zealand

Tour operator Intrepid drops carbon offsets and emissions targets

Firm will instead invest A$2m a year in ‘climate impact fund’ supporting renewables and switching to EVs

Trio wins chemistry Nobel Prize for metal organic framework

The work that won Susumu Kitagawa, Richard Robson and Omar M. Yaghi the 2025 Nobel Prize in chemistry could help tackle challenges such as climate change and lack of fresh water.

Natural disasters are a rising burden for the National Guard

New Pentagon data show climate impacts shaping reservists’ mission.

The Download: introducing the 10 climate tech companies to watch for 2025

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. Introducing: 10 climate tech companies to watch Every year, the MIT Technology Review newsroom produces a list of some of the most promising climate tech firms on...

2025 Climate Tech Companies to Watch: HiNa Battery Technology and its effort to commercialize salt cells

HiNa Battery Technology is a trailblazer in developing and mass-producing batteries using sodium, a widely available element that can be extracted from sea salt. The startup’s products—already powering small vehicles and energy storage plants in China—provide a valuable alternative to lithium-based...

How we picked promising climate tech companies in an especially unsettling year

MIT Technology Review’s reporters and editors faced a dilemma as we began to mull nominees for this year’s list of Climate Tech Companies to Watch. How do you pick companies poised to succeed in a moment of such deep uncertainty, at a time when the new Trump administration is downplaying the dangers...

2025 Climate Tech Companies to Watch: Pairwise and its climate-adapted crops

Climate change will make it increasingly difficult to grow crops across many parts of the world. Pairwise is leveraging CRISPR gene editing to develop plants that can better withstand adverse conditions. Pairwise uses cutting-edge gene editing to produce crops that can withstand increasingly harsh c...

2025 Climate Tech Companies to Watch

Bill Gates: Our best weapon against climate change is ingenuity

It’s a foregone conclusion that the world will not meet the goals for limiting emissions and global warming laid out in the 2015 Paris Agreement. Many people want to blame politicians and corporations for this failure, but there’s an even more fundamental reason: We don’t have all the technological...

2025 Climate Tech Companies to Watch: Cemvision and its low-emissions cement

Cement is one of the most used materials on the planet, and the industry emits billions of tons of greenhouse gasses annually. Cemvision wants to use waste materials and alternative fuels to help reduce climate pollution from cement production. Today, making cement requires crushing limestone and he...

2025 Climate Tech Companies to Watch: Cyclic Materials and its rare earth recycling tech

Rare earth magnets are essential for clean energy, but only a tiny fraction of the metals inside them are ever recycled. Cyclic Materials aims to change that by opening one of the largest rare earth magnet recycling operations outside of China next year. By collecting a wide range of devices and rec...

2025 Climate Tech Companies to Watch: Ather Energy and its premium e-scooters

More than 70% of the 200 million registered vehicles in India are two-wheelers. Ather Energy builds e-scooters for the rising middle class that could help commuters ditch highly-polluting, gas-guzzling models. While sales of Tesla or BYD cars drove electric vehicle adoption elsewhere in the world, t...

2025 Climate Tech Companies to Watch: Kairos Power and its next-generation nuclear reactors

Like many new nuclear startups, Kairos promises a path to reliable, 24/7 decarbonized power. Unlike most, it already has prototypes under construction and permits for commercial reactors.  Kairos made last year’s list because of a safer design for small modular reactors that produce power from nucle...

2025 Climate Tech Companies to Watch: Traton and its electric trucks

As Europe gradually phases out heavy-duty diesel trucks, Traton is gearing up production of its electric models. The company is also helping to install hundreds of public chargers to aid the growth of electric freight transport across Europe.  Every day, trucks carry many millions of tons of cargo d...