Chromium is one of the toxic and hazardous pollutants in industrial wastewaters leading to soil contamination. In this study, the feasibility study of remediating chromium contaminated soil using indigenous microorganisms and Pseudomanas fluorescens was evaluated.

Tannery waste disposal problem leads to environmental disharmony, which makes it one of the major industrial pollution facing the country. The tannery industries, release a lot of wastes in the form of liquid (effluent) and solid (sludge). Biological sludge is one of the wastes, which has been utilized for recycling in this research work.

Mining is generally followed by a revegetation programme carried by the Forest Department. In such programmes, often exotic plant species are also used along with native tree species. Since the last one and half decades an exotic tree species, Prosopis juliflora has gained tremendous popularity among forest officials due to its easy establishment, low mortality rate and fast growth rate on mine spoil, compared to other woody species.

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.

Contamination of chromium is considered a serious environmental pollutant due to wide industrilization. The two largest sources of chromium emission in the atmosphere are from the chemical manufacturing industry and combustion of natural gas, oil and coal. 2007

cattle egret which is widely found in India is a natural scavenger. A study from Kerala says that the wetland egret, Bubulcus ibis, can be used as bio-control agent in solid-waste dumping sites. The