Emissions reduction

Clean industry

6 innovative startups that are kicking CO2 out of cement and concrete

Cement-making is a 150-year-old process. These companies are using new additives, chemistries and methods that could curb the industry's oversize climate impact.

By Maria Gallucci, Jeff St. John . 24 October 2023
Clean industry

Cleaning up steel, cement and chemicals is tough — and entirely doable

These top-emitting industries make the materials we depend on. In a special series, Canary Media explores the complex, tricky path to decarbonizing all three.

By Maria Gallucci . 23 October 2023
Electrification

Here's why electric lawn mowers are cutting down the gas-fueled competition

Making the leap to battery-powered lawn equipment can help you ditch the noise, fumes and hassle of gas models — and slash your carbon emissions, too.

By Alison F. Takemura . 17 October 2023
Carbon-free buildings

Boston skyscraper named world’s biggest 'Passive House' office

The building, which will use far less energy than a conventional design, is the latest example of the efficiency standard’s growing popularity.

By Alison F. Takemura . 11 October 2023
Energy efficiency

These startups are using AI to cut energy waste from buildings

Buildings use — and waste — an enormous amount of energy. A growing number of startups are trying to wield buzzy AI technologies to fix this problem.

By Jeff St. John . 9 October 2023
Utilities

These 25 utilities are united by one big goal: 80% less CO2 by 2030

Dealing with climate change means removing fossil fuels from the power grid ASAP. A diverse and growing group of utilities is leading that effort.

By Julian Spector . 28 September 2023
Clean industry

Startup hits milestone in its bid to cut concrete’s dirtiest ingredient

Demand for clean concrete is rising. CarbonBuilt says it has a potential solution: concrete made without using any Portland cement.

By Maria Gallucci . 21 September 2023
Carbon-free buildings

NYC’s big building-decarbonization law faces its first major test

Landlords and climate activists are sparring over the future of Local Law 97 — the country’s most ambitious citywide mandate to clean up building emissions.

By Jeff St. John . 20 September 2023
Clean industry

Terra CO2 says its Texas factory will cut carbon and cost from cement

The startup is building its first large-scale plant to turn common rocks into cement additives that can reduce cement's hefty carbon footprint without raising costs.

By Jeff St. John . 12 September 2023
Food and farms

Chemical fertilizer is a climate disaster. Can high-tech biology fix it?

Startup Pivot Bio has developed a smarter way to get nitrogen to crops, and it has a new CEO who aims to supercharge growth.

By Michael Grunwald . 29 August 2023