Commercial considerations are taking a heavy toll on the popular mangrove swamps in Sri Lanka, with environmentalists asking for effective measures to preserve them. Mangrove plants has helped in water flow and enhancing the possession of sediments in the water system.

A study said healthy mangrove forests helped save Sri Lankan villagers during the tsunami 2004.

Human activity is drying up the briny lake LIVING waters will go from Jerusalem

Hazards of the proposed canal The proposed canal, dubbed Two Seas Canal, will pump water from the Red Sea to a height of 230 m above sea level, transport it along the Araba valley and then run down into the Dead Sea. The downhill flow will be harnessed to generate 550 MW of electricity. Green groups say mixing waters from seas with drastically different chemical composition could cause the

Farmers in Paikgachcha and Dakop upazilas in Khulna are facing different kinds of harassment, including filing of false cases against them, from shrimp farmers in the area because of their anti-saline water campaign.

Some two and a half lakh residents at Sirajdikhan upazila in Munshiganj district have been facing acute shortage of drinking water because of salinity and arsenic contamination in the ground water.
The villagers at remote places are now facing acute drinking water crisis during the summer because of fall in the ground water level, high salinity and arsenic contamination in the area.

Perennially contentious issues of water management in California are being brought to a head by climate change and rising earthquake risks.

Fish can do it by producing and excreting carbonates THE marine carbon cycle is undergoing rapid changes. An excess of unregulated carbon will eventually acidify the oceans. A new study demonstrates that fish have the potential to save the marine carbon cycle. Until now scientists believed that the calcium carbonate (CaCO3), which makes seawater alkaline, came from the external

Forget barrages, dams or tidal turbines

The Atlantic meridional overturning circulation (AMOC) transports warm salty surface waters to high latitudes, where they cool, sink and return southwards at depth. Through its attendant meridional heat transport, the AMOC helps maintain a warm northwestern European climate, and acts as a control on the global climate.

The lower Varuna River basin in Varanasi district situated in the central Ganga plain is a highly productive agricultural area, and is also one of the fast growing urban areas in India. The agricultural and urbanization activities have a lot of impact on the groundwater quality of the study area. The river basin is underlain by Quaternary alluvial sediments consisting of clay, silt, sand and gravel of various grades.