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With more and more plant-based burgers, alt-milks and other meat-free options filling our shopping aisles, it’s never been easier to cut meat and dairy products from your diet. But as advocates make claims for the health-promoting and planet-saving power of going plant-based, what does the evidence say? In this Which? Investigation Greg Foot asks if cattle farming can ever be sustainable, uncovers...

With the UK set to ban the sale of new petrol and diesel cars by 2030, more of us are considering the switch to electric. But, with the environmental impact of making the batteries, and the need to generate the electricity to charge them, what is truly the greenest option - go electric or stick with a petrol or diesel car?  In this Which? investigation Greg Foot reveals how these ‘zero emissi...

Does your new phone have a shelf-life that’s shorter than your contract? Is its lack of repairability driven by manufacturers or by us constantly clamouring for the latest feature-packed model? In this Which? investigation Greg Foot asks who’s to blame for the mountain of ‘old’ mobiles hidden away in drawers up and down the country. He learns the shocking reality of what it takes to make a phone,...

Supermarkets & brands are often criticised for how much plastic packaging they use, but could removing that from some food products actually increase their environmental impact?  In this first episode of Which? Investigates, Greg Foot uncovers quite how much unrecyclable plastic there is, checks out whether refillables and ‘compostables’ really do help the planet, and unwraps the surprisi...

Which? Investigates is a new podcast from the UK’s consumer champion. Our mission for this podcast is simple: find out the facts and see who’s actually delivering on the promises we see. Hosted by Science Journalist & Producer Greg Foot, our first season focuses on putting claims of ‘sustainability’ under the spotlight... from ‘plant-based’ to ‘plastic-free’, ‘eco-travel’ to electric cars, he'...