Lakes are usually an integral part of a drainage basin. Lakes are either fresh water or salt water lakes. Kolleru lake is the largest freshwater lake in South India. Various physical and chemical inputs manifested through the hydrology of the catchment area will affect the quality and quantity of lake water.

Russian President Vladimir Putin recently ordered the East Siberia-Pacific Ocean oil pipeline to be built more than 40 km from the un -protected heritage site of Lake Baikal. Putin said the pipeline must be rerouted since Baikal, the deepest freshwater lake in the world, was home to more than 1,000 species of unique plants and animals.

spilling on oysters: The Far North District Council of New Zealand said it will spend US $3.6 million to reduce the risk of sewage spills in the environmentally sensitive areas of Paihia, Haruru

This paper discussed the distribution of pesticides, polycyclic aromatic hydrocarbons (PAHs) and heavy metals in water, sediment and prawn from intensive prawn ponds (n = 8) near the Kolleru lake wetland, India and assessed the quality of prawn for human consumption and also discussed the possible effects of these pollutants on pond environment and aquatic environment.

After the richer locals leased land/water from the poor cooperatives in the 1970s in Kolleru in Andhra Pradesh, the land has remained in the name of poor "beneficiaries", while the real fisherfolk work on meagre wages.

Land degradation is as a result of broad range of scales and factors, which include biophysical, climatic, demographic and socio-economic. The aim of this paper was to provide an analysis of wetland utilisation, ecosystem degradation and their effect on the Lake Victoria (Kenya) ecosystem. This involved analysis of socioeconomic and remote sensed data. The main sources of wetland degradation in the Lake Victoria basin were identified as (1) farming activities, (2) grazing and macrophyte harvesting and (3) coupled with catchment degradation-deforestation.