Articles on Energy

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Fire a set of high-power lasers at a tiny speck of hydrogen isotopes and you can initiate nuclear fusion, the process that powers the Sun. National Ignition Facility

How much energy can people create at one time without losing control?

Scientists are working on ways to make lots of energy by converting matter into energy. The trick is keeping the process under control. One possibility is nuclear fusion – the Sun’s power source.
Residents of the Jacob Riis Settlement in New York City hold photographs of leaks, mold, peeling paint and other issues during a community town hall meeting on March 7, 2019. AP Photo/Kathy Willens

How to improve public health, the environment and racial equity all at once: Upgrade low‑income housing

Building retrofits are no joke: They make dwellings healthier and more energy-efficient. And when they’re done in low-income housing, they also reduce inequality.
An International Atomic Energy Agency investigator examines Reactor Unit 3 at the damaged Fukushima Daiichi plant, May 27, 2011. Greg Webb, IAEA/Flickr

10 years after Fukushima, safety is still nuclear power’s greatest challenge

On the 10th anniversary of the Fukushima nuclear disaster, two experts explain why human choices are more important to nuclear safety than technology, and why the job is far from finished.
The use of coal for electric power has been declining fast in the U.S. AP Photo/J. David Ake

What’s really driving coal power’s demise?

Contrary to popular belief, falling natural gas prices didn’t significantly accelerate coal power plant retirements. Here’s what did.
President-elect Joe Biden picked former Secretary of State John Kerry, shown with him in 2015, to be U.S. climate envoy in the next administration. AP Photo/Andrew Harnik

How Biden and Kerry could rebuild America’s global climate leadership

Choosing former Secretary of State John Kerry as climate envoy is the first step. To regain trust, the U.S. will also have to take concrete actions to cut its own greenhouse gas emissions.
Global economic support for COVID-19 relief is providing an opportunity to kick-start a shift toward a green future. Maksim Chernyshev/EyeEm via Getty Images

Coronavirus relief funds could easily pay to stop the worst of climate change while rebooting economies

Over US$12 trillion of COVID-19 relief has been promised. If a small portion was put toward economy-boosting green investments, the world could get on track to avoid the worst of climate change.
People have been rediscovering nature during the pandemic, but it’s not just good for public heath. Conservation also creates jobs. Ezra Shaw/Getty Images

Conservation could create jobs post‑pandemic

The Trump administration is rolling back environmental regulations, claiming it’s good for the economy. But research shows that conservation is better both for public health and for job creation.

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