Data centers like this Google facility in Iowa use copious amounts of electricity.
Training neural networks burns through a lot of energy. As the AI field grows, it's working to keep its carbon foot print from growing with it.
The states have been forced to act alone on renewable energy after the federal government effectively vacated the policy space. But if not managed carefully, the strategy may backfire.
The trial represents the chance to demonstrate an internationally proven technology on Australian soil - turning human waste into a carbon neutral energy source.
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
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.
Fast electric vehicle charging stations at a rest stop on Interstate 95 in Maryland.
Earth and Main/Flickr
Joe Biden has sweeping plans for a clean energy revolution. Congress will be a big speed bump, but it can't block everything.
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
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.
Who picks up the bill when customers can’t pay?
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Many Americans have been unable to pay their electric bills during the COVID-19 pandemic, racking up billions of dollars in delinquent bills. Where will the money come from?
Many Asian nations are shunning fossil fuels, presenting a huge opportunity for Australia's renewables sector. And one massive project has stepped up to the plate.
Will Boris Johnson's 'offshore wind revolution' really unlock significant economic value?
Flattening inequality between and within countries could allow everyone a good standard of living within a liveable climate.
Those designing smart energy systems must take gender into account.
Building a new power plant hardly fits in with the Coalition's free market philosophy, but then again neither does a massive support package to cushion the economy through a pandemic.
The government has unveiled a $1.9 billion package of investments in new and emerging technologies, and reinforced its message that it is time to move on from assisting now commercially-viable renewables.
Politics with Michelle Grattan: Angus Taylor
Michelle Grattan discusses the government's recently announced energy policy with Minister for Energy Angus Taylor
AAP Image/Mick Tsikas
Under a rapidly changing climate, it's not just about keeping the lights on. We not only want energy, but we want to breathe clean air, have enough food and live in a sustainable community.
The Morrison government has threatened to use Snowy Hydro to build a gas generator in the Hunter Valley if the electricity sector fails to fill the gap left by the scheduled closure of the Liddell power plant in 2023.
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Halide perovskites are cheap, versatile and remarkably efficient as both solar cells and light emitters.
Bricks could do double duty as building materials and supercapacitors.
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Bricks turn out to be useful for storing electricity thanks to their porousness and red pigment.
The COVID-19 recession has made it harder for many Americans to pay their energy bills.
Many Americans had trouble paying their energy bills before COVID-19, and the current recession is making the problem worse.
Methane gas extraction on Lake Kivu.
Photo by Eric LAFFORGUE/Gamma-Rapho via Getty Images
Such a large accumulation of methane in a lake is unique, and has never been reached in any other lakes.