A nanotube innovation using waste plastic could help solve one of the world's energy problems.
As well as polluting our seas, plastics are warming the planet too. Urgent changes are needed to eliminate plastic's contribution to climate breakdown.
Asian countries have become a dumping ground for the plastic waste from wealthy countries.
Since China stopped accepting Australia's recyclable plastic, the majority of exported plastic waste is now going to developing nations in South East Asia.
There are lots of issues with recycling – but it's still an important part of society's efforts to live more sustainably.
Cleaning up plastic pollution in the ocean is good – and long overdue. But where will the waste go? Recycling isn't always an option. Bacteria and enzymes could process it, raising new questions.