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 .
Carbon-free buildings
Fossil fuels
Just how bad are gas appliances for your health?
It’s not all about the climate. There are loads of reasons to ditch gas stoves and appliances — and health concerns may be at the top of the list.
By Alison F. Takemura .
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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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Clean industry
To decarbonize cement, the industry needs a full transformation
Cement production has an enormous carbon footprint. That can be curbed with plug-and-play solutions, but eliminating emissions entirely will require big, ambitious action.By Jeff St. John .
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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 .
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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 .
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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 .
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Heat pumps
New plan aims to quadruple heat-pump adoption in 25 states
The pledge, which covers 55% of the population, calls for accelerating home decarbonization by deploying 20 million heat pumps by 2030.By Jeff St. John .
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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 .
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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 .
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Heat pumps
Heat pumps outperform boilers and furnaces — even in the cold
Some utilities and fossil-fuel interests like to say heat pumps don’t work in the cold. A new study provides yet more evidence to debunk that myth.By Alison F. Takemura .
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