Olivia Howes

The sustainability, welfare and food safety certification schemes you might see on food packaging and what they mean

Our investigation reveals how vague and unsubstantiated green claims have infiltrated the retail market

What customers think of Lush and its sustainability, and how its claims stack up

Find out what you can and can’t recycle, including plastics, paper, glass, metal and food waste

Whether you’re cutting out or cutting down on dairy, find out which plant-milk alternative, from oat milk to soya to pea, is best for you

Cooking on a hob, particularly a gas hob, creates more air pollution than you might think. Here's why, plus how you can improve air quality in your kitchen with some simple steps

Find out what PFAS/PFCs are and what to look for if you want to avoid them in your outdoor clothing

Hoping to cut your environmental impact with small habit changes? Try these top bathroom tips

With plastic in wet wipes set to be banned by the end of the year, here's how to choose more eco-friendly options. Plus, why you should never flush them, even if they say you can

Our customer survey has rated marketplaces such as Depop, eBay, Facebook Marketplace, Gumtree and Vinted to help you find the best and worst places to buy and sell second hand stuff

Brands including Cafédirect, Ecover, Lush and Patagonia resonated with Which? members in their efforts to be more sustainable - how do they live up to expectations?

How Clipper was regarded by members in our sustainable brands survey, plus a closer look at the brand’s sustainability efforts.

How Rohan was regarded by members in our sustainable brands survey and a look into what it does to be a more sustainable brand.

Paramo’s sustainability initiatives and what members think of the brand

The sustainability issues with some of our favourite fish, plus better alternatives and the labels to look for

We’ve analysed grocery prices to find out whether shoppers are charged more for meat-free choices. Find out where to go for the cheapest vegetarian and vegan ranges

We compared prices of a basket of vegan goods at supermarkets to see where’s cheapest for your plant-based groceries

Why compostable doesn’t mean recyclable, and other common mistakes that people make with their recycling

The labels to look for and the most important aspects to consider when choosing more environmentally friendly wine. Plus, find out whether to opt for a screw-top or a cork.

A recent study looking at urban consumption highlights the most effective changes we can make at home