Believe it or not, nearly 269,000 tonnes of plastic comprising
an estimated 5.25 trillion plastic particles are floating in the world’s
oceans, including the Bay of Bengal. This estimate does not take into account
the amount of plastic waste found in the shorelines, on the seabed, suspended
in the water column and that consumed by marine organisms. The plastic
particles are found in three size ranges — microplastic (less than 4.75 mm),
mesoplastic (4.75-200 mm) and macroplastic (above 200 mm). The microplastic
particles alone are in two size classes — 0.33-1.00 mm and 1.01-4.75 mm. Of the
269,000 tonnes of floating plastic waste, the larger plastic items are
predominant (an estimated 233,000 tonnes).