Decarbonizing steel is as tough as steel

But a new study shows how advanced steelmaking technologies could substantially reduce carbon emissions.

Mark Dwortzan | Center for Sustainability Science and Strategy • mit
June 11, 2025 ~4 min

E-bikes are becoming e-waste – here’s how to reduce the environmental cost

Electric bike batteries can be particularly dangerous and tricky to dispose of.

Yvonne Ryan, Associate Professor in Environmental Science, University of Limerick • conversation
June 11, 2025 ~6 min


Critical minerals don’t belong in landfills – microwave tech offers a cleaner way to reclaim them from e-waste

Inside every smartphone and laptop are tiny specks of valuable materials, many of which are still lost even when you take your old electronics to a recycling center.

Terence Musho, Associate Professor of Engineering, West Virginia University • conversation
May 28, 2025 ~8 min

Wishcycling: how ‘eco-friendly’ labels confuse shoppers and make recycling less effective

How misleading marketing leads to greenwashed consumer behaviour and ineffective recycling of waste streams.

Anastasia Vayona, Postdoctoral Research Fellow in Social Science and Policy, Faculty of Science and Technology, Bournemouth University • conversation
April 24, 2025 ~6 min

How single-stream recycling works − your choices can make it better

Not all plastic is the same. Old yogurt cups and milk jugs, for example, don’t play well together when being turned into new materials. However, there are solutions.

Alex Jordan, Associate Professor of Plastics Engineering, University of Wisconsin-Stout • conversation
April 16, 2025 ~9 min

Inner London residents told me their food waste problems – composting definitely isn’t the answer

So many cities with densely populated communities living in flats without gardens struggle to find sustainable solutions to food waste.

Sayed Elhoushy, Senior Lecturer in Marketing, Queen Mary University of London • conversation
March 31, 2025 ~7 min

How our perception of waste shapes our reality

Waste, as a thing, an idea, a problem, has always been wholly determined from a human standpoint.

John Scanlan, Research Fellow in Place and Culture, University of Central Lancashire • conversation
March 24, 2025 ~5 min

Plastic pyrolysis − chemists explain a technique attempting to tackle plastic waste by bringing the heat

Pyrolysis breaks down plastic and generates potentially useful oil − but it’s not a silver bullet for the planet.

Alexander Kaplitz, Ph.D. Candidate in Chemistry, University of Texas at Arlington • conversation
March 18, 2025 ~10 min


How the world fell in love with plastic without thinking through the consequences – podcast

Plastic waste expert Mark Miodowonik explains the history of plastic and why he believes manufacturers must be responsible for making sure plastic is recycled.

Gemma Ware, Host, The Conversation Weekly Podcast, The Conversation • conversation
Jan. 9, 2025 ~6 min

Recycling sewage is a sensible way to improve water security – but would you swallow it?

Innovative water management can reshape perceptions and demonstrate the feasibility of recycled wastewater.

Lynsey Melville, Professor of Environmental Engineering in the Faculty of Computing Engineering and Built Environment, Birmingham City University • conversation
Dec. 4, 2024 ~8 min

/

13