More and more packaging is claiming to be "biodegradable" or "compostable", but what does that really mean?
There is no guarantee that the products you recycle are actually recycled, the UK watchdog warns.
MiAlgae uses by-products from distilling to grow an algae for feeding farmed salmon
Recycling takeaway coffee cups is hard
More than 40 firms including Coca-Cola have promised to reduce harmful packaging