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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.
Water rushes through the Carillon Hydro electric dam in Québec. THE CANADIAN PRESS/Ryan Remiorz

Why Canada should invest in ‘macrogrids’ for greener, more reliable electricity

The electricity sector is expected to play a key role in Canada’s push to net-zero emissions. Enhancing long-distance transmission can be lower the cost of providing clean and reliable electricity.

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