It takes a lot of energy for machines to learn – here's why AI is so power-hungry

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.

Kate Saenko, Associate Professor of Computer Science, Boston University • conversation
Dec. 14, 2020 ~8 min

Should you get a heat pump? Here's how they compare to a gas boiler

Heat pumps use electricity to transfer warmth from outside to inside a house.

Aurore Julien, Senior Lecturer in Environmental Design, University of East London • conversation
Dec. 8, 2020 ~7 min

Biden's ambitious energy plan faces headwinds, but can move the US forward

Joe Biden has sweeping plans for a clean energy revolution. Congress will be a big speed bump, but it can't block everything.

Scott L. Montgomery, Lecturer, Jackson School of International Studies, University of Washington • conversation
Nov. 23, 2020 ~9 min

How 10 billion people could live well by 2050 – using as much energy as we did 60 years ago

Flattening inequality between and within countries could allow everyone a good standard of living within a liveable climate.

Joel Millward-Hopkins, Postdoctoral Researcher in Sustainability, University of Leeds • conversation
Oct. 5, 2020 ~7 min

Looser standards for showerheads could send a lot of water and money down the drain

The Trump administration is trying to roll back a regulation that requires showerheads to conserve water and saves owners an average of $70 and nearly 3,000 gallons of water yearly per showerhead.

Robert Glennon, Regents Professor and Morris K. Udall Professor of Law & Public Policy, University of Arizona • conversation
Sept. 2, 2020 ~8 min

Why zero-carbon homes must lead the green recovery from COVID-19

Building a greener economy starts at home.

Ranald Boydell, Visiting Lecturer in Sustainable Development, Heriot-Watt University • conversation
June 22, 2020 ~6 min

Buildings consume lots of energy – here's how to design whole communities that give back as much as they take

Net zero energy buildings produce at least as much energy as they use. Designing whole net zero campuses and communities takes the energy and climate benefits to a higher level.

Charles F. Kutscher, Fellow and Senior Research Associate, Renewable & Sustainable Energy Institute, University of Colorado Boulder • conversation
May 26, 2020 ~9 min

Average home is more spacious now than ever – here's why that's a problem for the environment

Larger homes with fewer occupants have a bigger energy and heating demand.

Katherine Ellsworth-Krebs, Senior Research Associate, Lancaster University • conversation
March 27, 2020 ~6 min