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Last Updated: Friday March 26 2010 07:00 GMT

Sun, sea, sand and litter bugs

Litter on British beach

The amount of plastic waste being found on Britain's beaches is 'unacceptably high' according to the Marine Conservation Society.

Although levels of rubbish were lower in 2009 than the year before, the amount of plastic litter has more than doubled since records began in 1994.

Not only does it look ugly, the society says it's harmful to wildlife too.

While some seals get entangled in fishing nets, other animals end up swallowing plastic bags and packaging.

Instead of biodegrading, which happens when an item disintegrates naturally, plastic breaks down into smaller and smaller pieces.

In some parts of the ocean there are now six times as many of these particles than there are plankton, the tiny organisms that form the bottom of the food chain.