Nyoman Sudastra has been farming seaweed on Nusa Penida, an idyllic island next to Bali in Indonesia, for more than 20 years.Now his crop could be put to a new purpose: creating environmentally friendly bioplastics.Ankle-deep in shallow waters between beach and sea, tending his patch in low tide, he told Sky News: "We think it's good that seaweed will be processed into plastic."Especially if plastic turns out to be more environmentally friendly than plastic we use today."The seaweed is turned into plastic by Evoware, an Indonesian start-up.The need is especially pressing in country: Indonesia is world's second-biggest plastics polluter. 1:05 Video:Diver swims through plastic in BaliDavid Christian started company after studying abroad."When I came back I was really shocked with amount of waste," he said."And n I found out that plastic is actually contaminating everything, including our foods and our drinks."Evoware uses its biodegradable plastic to make food wrappers and sachets, which are widely used in country.The company has been working to come up with an automated process to make plastic.

But it still estimates that its plastic will cost 30% more than normal single-use plastics.Image:Nyoman Sudastra farms seaweed on Nusa PenidaImage:Mr Sudastra says he is pleased seaweed can be made into plasticEven n, it will take more than one product to address problem."Evoware cannot do this all by ourselves," Mr Christian said."We are not supermen, right We need to engage to everyone - government sector, private sector, end customers.

By doing this we can really solve problem, because it's a huge problem.

We need to all come toger and n try to solve problems toger."The or goal of Evoware is to give local farmers a new source of income.

They too are under pressure, though.

Nyoman Sudastra's farm is last one left on Nusa Penida; or beaches were given over to tourism."We're afraid that this village will turn out like ors," he said."People here hope that seaweed farming can be sustainable.

But until now we haven't been able to rely on seaweed for a good income."More from Sky Ocean RescueBut ambition is grand: that sea itself may eventually provide solution to plastic that blights it.:: Sky's Ocean Rescue campaign encourages people to reduce ir single-use plastics.

You can find out more about campaign and how to get involved at www.skyoceanrescue.com