Emissions reduction

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 . 10 January 2024
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 . 8 January 2024
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 . 7 December 2023
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 . 6 December 2023
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 . 27 November 2023
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 . 22 November 2023
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 . 9 November 2023
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 . 8 November 2023
Transportation

Full steam ahead for electric freight trains

Wabtec Corp. unveiled the world's first battery-powered, heavy-haul locomotive this week in Pennsylvania. Freight rail is only just catching up on electrified transportation.

By Maria Gallucci . 3 November 2023
Heat pumps

Heat pumps are everywhere — even in clothes dryers

Using heat pumps to dry clothes is dramatically more energy-efficient. Thanks to new rebates, the appliance could be coming soon to a laundry room near you.

By Alison F. Takemura . 31 October 2023