Emissions reduction

Marine transport

This common chemical could help shipping giants start to decarbonize

“Green” methanol is gaining favor as a lower-carbon way to power cargo ships. But we’re going to need a lot more of it for the plan to work.

By Maria Gallucci . 21 April 2023
Food and farms

Cattle are a huge climate threat. Smarter ranching can help

Ranchers in Brazil are testing new and improved techniques that can lower the climate impact of beef production by using less land and curbing cattle's burps and farts.

By Michael Grunwald . 17 April 2023
Hydrogen

The great 'green hydrogen' battle

Tens of billions in federal tax credits could build a vital low-carbon hydrogen industry — or increase carbon emissions. We tackle the complexities in a series.

By Jeff St. John . 28 March 2023
Hydrogen

Test shows hydrogen blending slightly reduces gas power plant emissions

The hydrogen revolution isn’t here quite yet — but now we know what happens when a certain type of gas plant burns a small amount of hydrogen.

By Julian Spector . 24 March 2023
Marine transport

Amogy lands $139M to scale ammonia tech for zero-emissions cargo ships

The startup is working to launch an ammonia-powered vessel in New York as the global shipping industry searches for cleaner fuels.

By Maria Gallucci . 22 March 2023
Clean industry

An Arizona plant will pull CO2 from the air and trap it in concrete

The first-of-its-kind initiative by CarbonBuilt, Aircapture and Block-Lite aims to reduce carbon dioxide emissions from concrete production by 70 percent.

By Maria Gallucci . 22 March 2023
Podcast

A rogue geoengineering startup sparks worry

Make Sunsets is sending balloons filled with sulfur dioxide into the stratosphere. Is it performance art — or a new era for geoengineering?

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By Stephen Lacey . 25 min . 15 March 2023
Carbon capture

'High-quality' carbon-removal tech will be focus for new industry group

The Carbon Removal Alliance is all about practical and permanent solutions for capturing CO2 — shady offsets and short-term schemes need not apply.

By Emily Pontecorvo . 10 March 2023
Marine transport

America's pandemic shopping haul arrived on dirty cargo ships

A new report assesses the environmental toll of transporting goods for Walmart, Target, Home Depot and other major U.S. retailers in the frenzied year of 2021.

By Maria Gallucci . 1 March 2023
Air travel

United’s $100M fund to invest in startups making sustainable jet fuel

United Airlines is launching an investment vehicle to support proven producers and emerging developers of sustainable aviation fuel in a bid to curb emissions.

By Maria Gallucci . 21 February 2023