Crude oil is of organic origin and is an extremely complex structure of hydrocarbons. Besides carbon, hydrogen, nitrogen and sulphur many other elements are present in crude oil. In oil fields, during drilling, gathering, transporting or in some other operations, some quantity of the crude oil gets spilled over the neighboring areas. The spilled crude oil affects the bio-chemical nature of the soil. As a result no vegetation occurs in those areas. Therefore, a study was made with an objective to revive the soil condition for vegetation development.

Oil leakage from a cargo ship that sank near Oland Island is now threatening the eco-sensitive landmass off the southeast coast of Sweden. The incident occurred in the first week of November, when

• Tonnes of deadly toxic waste, which killed 10 people and made thousands ill in Ivory Coast were recently shipped out of the country in sealed containers, bound for a treatment plant in France.

Ganga Action Plan

Oil spill: The Sri Lankan government is still striving to deal with the oil spill that occurred in mid-September, after a Bangladeshi ship sank off the country's southern coast of Habaraduwa. The