Discuss briefly the following
(a) Radioactive wastes
(b) Defunct ships and E-wastes
(c) Municipal solid wastes
(a) Any discarded material that emits radiations is called radioactive waste. Radiations, emitted by nuclear waste is extremely damaging to biological organisms. it causes mutations to occur at a very high rate, resulting in various disorders like cancer. At high doses, nuclear radiation is lethal. Therefore, it has been recommended that storage of nuclear waste, after sufficient pre-treatment.
(b) Old defunct ships are broken down for the scrap metal but they have a lot of toxic material like asbestos, mercury, lead and polychlorinated biphenys, it is hazardous for the people who remove scrap and also the coastal areas, where they are kept. E-wastes constitute irreparable computers and other electronic goods of the E-wastes generated in the developed world are exported to developing countries, mainly to China, india and Pakistan, where metals like copper, iron, silicon, nickel and gold are recovered during recycling process.
(c) Municipal solid waste includes homes, offices, schools, hospitals, etc, it is collected and disposed off by the municipality. These generally consists of paper, leather textile, rubber, glass, etc. Sanitary landfills are used to dump these wastes.