Emissions reduction

Carbon capture

Meet a startup that plans to use mining waste to capture carbon dioxide

Travertine Technologies has backing from Stripe’s carbon-removal fund for a novel system to store CO₂ in discarded rocks and help clean up the mining industry.

By Maria Gallucci . 20 July 2022
Marine transport

Cargo ships are notoriously dirty. A new bill aims to clean them up

The Clean Shipping Act, proposed this week in Congress, would curb CO₂ pollution from shipping and accelerate the adoption of nascent technologies.

By Maria Gallucci . 14 July 2022
Podcast

We need to talk about permafrost and its impact on the climate

A country-sized source of carbon emissions is starting to be released.

Play

By Stephen Lacey . 13 July 2022
Air travel

Can battery-powered airplanes decarbonize air travel?

A new study says not likely, but electric aircraft still have a role to play in cleaning up the aviation industry.

By Maria Gallucci . 13 July 2022
Guest essay

5 things to know about the Supreme Court’s recent climate ruling

The West Virginia v. EPA decision still allows the EPA to regulate CO₂ from power plants, but the process will be slow — and it won’t happen without a fight.

By Jack Lienke . 11 July 2022
Carbon capture

Carbon storage gets dirty: The movement to sequester CO2 in soils

U.N. climate report promotes soil as a tool to reduce emissions, but scientists are still figuring out how it works.

By Maria Gallucci . 8 April 2022
Carbon capture

Carbon removal now 'unavoidable' part of fighting climate change, UN says

Emissions cuts alone won't limit global warming to 1.5°C, IPCC report warns. But can carbon removal from land use and technology scale up in time?

By Jeff St. John . 5 April 2022
Energy markets

A deeper dive into 24/7 carbon-free energy

Tech giants and startups are chasing more precise data to make the grid cleaner by the hour — and asking governments and regulators to catch up.

By Jeff St. John . 4 April 2022
Marine transport

Maritime industry leaders confront climate change and supply-chain issues at shipping expo

A sea change is underway as global shipping players adjust to the new normal of a rapidly warming planet.

By Maria Gallucci . 1 April 2022
Corporate procurement

Can 24/7 carbon-free energy become a global standard?

Google and Microsoft want to buy clean energy around the clock. EnergyTag plans to bring the same option to mass markets.

By Jeff St. John . 31 March 2022