Microplastics are minute particles made out of plastics that have embedded themselves in our natural environment.

Kulhads are disposable clay tea cups that have been used in and around India for thousands of years. Here's how they're made in a Kolkata workshop.

Industry body the Paper Cup Alliance says the specialist plants ... However, compostable cups have to be disposed of in food waste bins rather than in a normal recycling bin and this is an issue ...