Hydrogen
How hydrogen 'e-fuels' can power big ships and planes
Aviation and international shipping are two huge climate polluters. Cleaning them up will likely require producing lots of hydrogen-derived fuels.
By Maria Gallucci .
Emissions reduction
Clean industry
Chart: Heavy industry is the world’s biggest decarbonization challenge
The production of oil and gas, cement, steel, and other industrial products is enormously polluting. Decarbonizing these sectors will take a while.
By Dan McCarthy .
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Hydrogen
Is clean hydrogen a climate solution? Depends how it’s made — and used
Clean hydrogen can help decarbonize the world. But only if it’s made in an emissions-free way and used to do the stuff electricity can’t handle.By Alison F. Takemura .
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Air travel
This Georgia refinery is making low-carbon jet fuel from alcohol
LanzaJet will produce millions of gallons of sustainable aviation fuel this year, just as the Biden administration finalizes rules for lucrative SAF tax credits.By Maria Gallucci .
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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 .
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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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