It is estimated that a foam plastic cup will take 50 years, a plastic beverage holder will take 400 years, a disposable nappy will take 450 years, and fishing line will take 600 years to degrade.It was estimated that global production of plastics is approximately 250 mt/yr.These may also be referred to as micro-, meso-, and macro debris.Tags: Resume And Cover Letter Services BrisbaneC.S. Lewis Short EssaysWhat Is Your Business PlanEssays On Socialism And Communism In The 1920'SWebsite That Solves Any Math ProblemEducational Computer ThesisResearch Paper For Mechanical EngineeringMacbeth Play Review EssaySolve The Linear Programming Problem
Mega- and micro plastics have accumulated in highest densities in the Northern Hemisphere, concentrated around urban centers and water fronts.
Plastic can be found off the coast of some islands because of currents carrying the debris.
Nurdles enter the ocean by means of spills during transportation or from land based sources.
The Ocean Conservancy reported that China, Indonesia, Philippines, Thailand, and Vietnam dump more plastic in the sea than all other countries combined.
Plastics themselves contribute to approximately 10% of discarded waste.
Many kinds of plastics exist depending on their precursors and the method for their polymerization.
Macrodebris are often found in ocean waters, and can have a serious impact on the native organisms. Even after they have been abandoned, they continue to trap marine organisms and other plastic debris.
Eventually, these abandoned nets become too difficult to remove from the water because they become too heavy, having grown in weight up to 6 tons.
International pellet watch collected samples of polythene pellets from 30 beaches from 17 countries which were then analysed for organic micro-pollutants.
It was found that pellets found on beaches in America, Vietnam and southern Africa contained compounds from pesticides suggesting a high use of pesticides in the areas.