Plants will exhibit lack of vigor, slow growth and will be weak and stunted. Quality and yield will be significantly reduced. Older leaves become yellow (chlorotic) from lack of chlorophyll. Deficient plants will exhibit uniform light green to yellow on older leaves, these leaves may die and drop.
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.
But India, Pakistan and Iran are also home to some of the world's most polluted cities in terms of particulate matter, according to the most recent statistics from the WHO, compiled from more than 1,600 cities for the years 2008 to 2013. The WHO examined the concentration of fine particles suspended in the atmosphere.