Meet the plastic-busting Eco Crew

Millions of tonnes of plastic end up in the world's oceans each year.

The UK Government recently announced big plans to cut all avoidable plastic waste by 2042.

But that's over 20 years away! So what's being done now?

Martin's been to meet some plastic-savvy kids. Take a look!

With pictures from Greenpeace, Caroline Power and Blue Planet II, BBCiplayer.