Q&A: More-sustainable concrete with machine learning

MIT-IBM Watson AI Lab researchers aim to design concrete mixtures that use AI to shrink environmental footprint and cost, while recycling byproducts and increasing performance.

Lauren Hinkel | MIT-IBM Watson AI Lab • mit
Dec. 7, 2021 ~14 min

Millions of Americans struggle to pay their water bills – here's how a national water aid program could work

Should the U.S. help low-income households afford water service, as it does with heating and groceries? Chile does. An economist explains how it works there and how it could work here.

Joseph Cook, Associate Professor of Economic Sciences, Washington State University • conversation
Nov. 29, 2021 ~10 min


Timber or steel? Study helps builders reduce carbon footprint of truss structures

New analysis could help identify optimal materials for the crisscrossing struts that bolster bridges, towers, and buildings.

David L. Chandler | MIT News Office • mit
Nov. 29, 2021 ~5 min

Why are barns painted red?

Barns are practical buildings, designed to safeguard farm animals and equipment. Why are so many of them painted to stand out from the landscape?

Thomas Durant Visser, Professor of Historic Preservation, University of Vermont • conversation
Nov. 22, 2021 ~6 min

Americans support climate change policies, especially those that give them incentives and clean up the energy supply

A set of studies found people prefer incentives to disincentives, especially for individuals but also for businesses. They have views on clean energy and efficiency, too.

Nathaniel Geiger, Assistant Professor of Communication Science, Indiana University • conversation
Nov. 22, 2021 ~7 min

Embodied carbon: why truly net zero buildings could still be decades away

Embodied emissions in buildings could be a hidden setback for carbon reduction targets.

Ljubomir Jankovic, Professor of Advanced Building Design, University of Hertfordshire • conversation
Nov. 11, 2021 ~7 min

We have reusable cups, bags and bottles: so why are our buildings still single use?

Embodied carbon - carbon produced during a building’s construction - urgently needs reducing, and reusing buildings could help.

Charles Gillott, PhD Student in Engineering, University of Sheffield • conversation
Nov. 11, 2021 ~7 min

We can't afford to just build greener. We must build less

One-tenth of global emissions result from the production and supply of building materials – and the construction process itself.

Johannes Novy, Senior Lecturer in Urban Planning, School of Architecture and Cities, University of Westminster • conversation
Nov. 10, 2021 ~9 min


Cities and climate change: why low-rise buildings are the future – not skyscrapers

New research has found that low-rise urban environments are more space and carbon efficient than high-rise buildings which have a drastically higher carbon impact.

Francesco Pomponi, Associate Professor of Sustainability Science, Edinburgh Napier University • conversation
Oct. 27, 2021 ~8 min

For campus “porosity hunters,” climate resilience is the goal

With the MIT campus as a test bed, a citizen science effort provides lessons well beyond MIT.

Nicole Morell | MIT Office of Sustainability • mit
Oct. 3, 2021 ~8 min

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