three biggest polluters
China, India, US Among Worldâs Worst Marine Polluters: Country-By-Country Breakdown Of Plastics In Oceans. China is dumping more plastics into the ocean than any other country and the rate of global plastic pollution is only expected to increase, according to a new study by engineers and environmental scientists.
Car Exhaust - Air Pollutants In cities across the globe, the personal automobile is the single greatest polluter, as emissions from more than a billion vehicles on the road add up to a planet-wide problem.