clarkson. _ the changes necessary. helen clarkson, thank _ the changes necessary. helen clarkson, thank you _ the changes necessary. upporting businesses. next, like a plastic pollution. the tiny particles are found in everything from shower gel to wet wipes or release when we wash our clothes. the health impacts on humans are not fully known, although researchers have found micro plastics until�*s blood and lungs. scientists have described as apprising the level of micro—plastics being discovered in river water, well away from connotations, much closer to source in the yorkshire dales. paul hudson reports from yorkshire. we have seen where this ends up, with large areas of the ocean awash with large areas of the ocean awash with plastics posterboard about micro plastics? of course micro fibres from clothing, which are flushed down the drain every time we wash our clothes. scientist have already established there's a problem with micro plastics near big cities and towns and industrial areas, but i have come way up the river to the north and try and establish just how widespread the issue is, so the plan is i will ta