Wind turbines often can produce more power than is needed for electricity onshore. That extra energy could be put to work capturing and storing carbon.
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Providing government subsidies for emerging clean technologies could unlock their transformative potential.
A team of researchers found 35,000 pairs of existing reservoirs, lakes and old mines in the US that could be turned into long-term energy storage – and they don’t need dams on rivers.
The coming year will reveal if the country is serious about developing its wind energy.
Calm and cloudy days led to a resurgence in fossil fuel use.
Millions of years of on-off ice ages have left behind a mix of different sediments.
Subsidies could help kickstart cost cutting and innovation in this prohibitively expensive industry.
Clean energy innovation, giving up coal, cutting methane and getting China and India on board for net-zero can deliver progress at COP26.
‘Wind droughts’ are extreme weather events too – and we need to plan for them.
The UK prime minister has been setting out ambitions to be a world leader in the coming hydrogen economy.
Offshore renewable energy installations could provide so much more than just clean electricity.
Some of the most powerful offshore wind is over water too deep for a standard wind turbine. Engineers found a way around the problem.
More than six in ten Australians – 63% – support a ban on new coal mines opening in Australia, according to the Lowy Institute’s Climate Poll 2021.
Ethiopia, Sudan, Egypt and their neighbours could deploy large-scale solar and wind farms, connected by a regionally integrated power grid.
Technology innovation is one of the Biden administration’s most powerful tools for accelerating progress on climate change. Recent successes in renewable energy and batteries show how this can work.
Right now, the nation is almost entirely dependent on other countries for minerals that are used in everything from wind turbines to strike fighters and satellites.
The US electricity grid is actually five regional grids, and it’s hard to share power between them. A macrogrid could bridge the gaps, making electricity cheaper and more reliable.
To increase renewable energy use, the Biden administration wants the US to go from seven offshore wind turbines today to enough to power 10 million homes within a decade.
Those who talk down an independent Scotland’s prospects are not factoring in one of its biggest natural resources.
Wind turbines in cold areas typically include methods for removing and repelling ice, but those methods can waste energy. There’s a better way.
Top contributors
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Professor of Engineering, Australian National University
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Senior Research Associate, Renewable Energy & Energy Systems Analyst, UNSW Sydney
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Emeritus Professor in Public Health, University of Sydney
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Research Fellow, ANU College of Engineering and Computer Science, Australian National University
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Professor of Mechanical Engineering, UMass Amherst
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Professor of Physics, University of Johannesburg
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Honorary Associate Professor, UNSW Sydney
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Professor Emeritus, Macquarie Business School, Macquarie University
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Program Director, Energy, Grattan Institute
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Research Fellow, Australian National University
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Lecturer, Australian National University
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PhD candidate in psychological medicine, University of Auckland, Waipapa Taumata Rau
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Royal Academy of Engineering Chair in Emerging Technologies - Intelligent & Resilient Ocean Engineering, University of Southampton
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Lecturer in Manufacturing Engineering Tripos, University of Cambridge
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Associate Professor, Energy Systems and Data Group, Birmingham Energy Institute, University of Birmingham
