Lego's ESG dilemma: Why an abandoned plan to use recycled plastic bottles is a wake-up call for supply chain sustainability

Corporate supply chains are riddled with high, uncounted emissions, as Lego discovered. New regulations mean more companies will face tough, sometimes surprising, choices.

Hau L. Lee, Professor of Operations, Information & Technology, Stanford University • conversation
Oct. 5, 2023 ~8 min

How to make your next holiday better for the environment

Heading on holiday soon? Here’s some tips for making your holiday greener.

Brendan Canavan, Senior Lecturer in Marketing, University of Nottingham • conversation
May 4, 2023 ~8 min


Ethereum: second biggest cryptocurrency to cut energy use by over 99%, but the industry still has a long way to go

Cryptocurrency has a substantial carbon footprint. Ethereum have taken steps to address this, but will others follow suit?

Peter Howson, Assistant Professor in International Development, Northumbria University, Newcastle • conversation
Sept. 5, 2022 ~7 min

What the controversial 1972 'Limits to Growth' report got right: Our choices today shape future conditions for life on Earth

A 1972 report warned that unchecked consumption could crater the world economy by 2100. Fifty years and much debate later, can humanity innovate quickly enough to avoid that fate?

Matthew E. Kahn, Provost Professor of Economics and Spatial Sciences, USC Dornsife College of Letters, Arts and Sciences • conversation
July 12, 2022 ~10 min

Biofuel: how new microalgae technologies can hasten the end of our reliance on oil

New developments in microalgae cultivation are helping to propel the potential of renewable biofuels to combat climate change.

Callum Russell, Chemical Engineering PhD, University of the West of Scotland • conversation
Feb. 24, 2022 ~7 min

An environmental sociologist explains how permaculture offers a path to climate justice

Permaculture – a mashup of ‘permanent’ and ‘culture’ – is a way of doing agriculture that’s inspired by the resilience and biodiversity of healthy natural ecosystems.

Christina Ergas, Assistant Professor of Sociology, University of Tennessee • conversation
Nov. 17, 2021 ~9 min

Menstrual cups are a cheaper, more sustainable way for women to cope with periods than tampons or pads

Menstruation cups are increasingly being used as an environmentally friendly alternative to tampons and sanitary pads.

Susan Powers, Spence Professor of Sustainable Environmental Systems and the Director of the Institute for a Sustainable Environment, Clarkson University • conversation
Sept. 15, 2021 ~7 min

Individual dietary choices can add – or take away – minutes, hours and years of life

A new study puts numbers to the health and environmental benefits – or impacts – of individual foods and shows how small changes can make a significant difference.

Katerina S. Stylianou, Research Associate in Environmental Health Sciences, University of Michigan • conversation
Aug. 18, 2021 ~10 min


Secondhand clothing sales are booming – and may help solve the sustainability crisis in the fashion industry

Fast fashion is far from green. But the rapid expansion of online clothing resale platforms could help shrink the garment industry's negative impact on the environment.

Cosette Marie Joyner Armstrong, Associate Professor of Fashion Merchandising, Oklahoma State University • conversation
Nov. 16, 2020 ~7 min

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