Clean industry
These startups are teaming up to decarbonize cement and concrete
Producing these key materials takes a toll on the climate. A new alliance aims to accelerate the adoption of low-carbon solutions.
By Maria Gallucci .
Emissions reduction
Green steel
Chart: Steelmaking is starting to go electric
The majority of newly announced steel capacity in 2023 planned to use lower-emissions electric arc furnaces, but the dirty industry has a way to go to clean up.
By Dan McCarthy, Carrie Klein .
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Hydrogen
Tax-credit rules leave key 'blue hydrogen' issues unanswered
Environmental watchdogs worry the Biden administration’s proposed rules for hydrogen tax credits may allow fossil gas and biogas to pollute at taxpayer expense.By Jeff St. John .
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Emissions reduction
Clean electricity is driving down US emissions
A preliminary analysis shows the buildout of renewable energy helped to curb America’s greenhouse gas emissions by 1.9% in 2023.By Maria Gallucci .
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Electrification
How to get people to kick fossil fuels out of their homes
A new study of 10,000 Americans suggests decarbonization programs should focus on reducing upfront costs and emphasize health, comfort — and even aesthetic benefits.By Alison F. Takemura .
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Electrification
Yes, it’s possible to electrify a home on just 100 amps
It may require careful planning and efficient appliances like heat pumps, but 100-amp service can be enough to kick fossil fuels out of your home.By Alison F. Takemura .
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Air travel
Airlines have a big climate problem, and it’s not just CO2 emissions
A Virgin Atlantic flight made waves for flying without fossil fuels. But it was also a test for studying contrails, a hidden cause of global warming.By Maria Gallucci .
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Air travel
In a first, a major airline will cross the Atlantic without fossil fuels
Virgin Atlantic will use 100% sustainable aviation fuel on a flight from London to New York. It’s an important step toward slashing emissions from planes.By Maria Gallucci .
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Heat pumps
Heat-pump water heaters are a winner for the climate — and your wallet
The tech costs more than conventional options upfront, but federal tax credits, new 120V models and strong savings have made them more appealing than ever.By Alison F. Takemura .
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Carbon capture
America’s first commercial direct air capture plant just got going
The startup Heirloom says it’s capturing CO2 from the sky and locking away the planet-warming gas, making it the first and only commercial U.S. plant to do so.By Maria Gallucci .
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Energy efficiency
This simple score can help you find an energy-efficient home
A growing number of cities are mandating Home Energy Scores, a metric that makes it easy for potential renters or homebuyers to grasp a home’s energy use.By Alison F. Takemura .
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