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Climate and Weather
Fighting climate change: Greenpeace
Posted on 19 Aug, 2009 08:55 PMGreenpeace has done a lot of commendable work in the field of climate change. This link takes you through their climate change campaigns involving the masses.
Chennai metropolitan area's water woes: CMWSSB's plans for the future
Posted on 19 Aug, 2009 04:01 PMCMWSSB or Metro Water was established in 1978 and serves 180 sq kms of area and 5.5 million population.
Physiographic rainfall variations across India: Thematic map from the Indian Institute of Tropical Meteorology
Posted on 19 Aug, 2009 03:59 PMThe map shows that there is a decreasing trend of rainfall over most of peninsular India (barring Maharashtra) including the western part of the Gangetic plain and the north eastern states apart from Assam.
An increasing trend of rainfall has been observed for the eastern part of the Gangetic plain, Assam, Telengana and all coastal regions of the country.
Map depicting areas prone to flooding in India
Posted on 19 Aug, 2009 03:48 PMThis map shows the regions in the country that are regularly affected by floods.
The major flood prone regions are Punjab, Haryana, most of the Gangetic plains including Uttar Pradesh, North Bihar and West Bengal, the Brahmaputra valley, coastal Andhra Pradesh and Orissa, and South Gujarat.
Rainwater harvesting basics: Filtering the water before storage and use
Posted on 19 Aug, 2009 03:29 PMOverview
Rainwater is amongst the purest water one can get distilled as it is by the sun. However, in a rainwater harvesting system, the water comes in contact with several surfaces, such as the roof or gutters. Its flow becomes possibly mixed with leaves or dust.
District level vulnerability to climate change: An IPCC assessment
Posted on 19 Aug, 2009 03:26 PMOn a scale of 5, from lowest to highest, this map shows the vulnerability of various districts of the country to climate change. The map shows many of these regions are doubly exposed to the risk of climate change.
Rainwater harvesting basics: How to direct roof top rainwater into the sump
Posted on 19 Aug, 2009 10:00 AMOverview
Toolkit on rainwater harvesting: Basics, overview and related technologies
Posted on 18 Aug, 2009 04:25 PMRainwater harvesting is an option which has been adopted in many areas of the world where conventional water supply systems have failed to meet the needs of the people. Examples of RWH systems can be found in all the great civilisations throughout history.
Here's an eToolkit on rainwater harvesting that tells you all that you need to know to harvest rain successfully.
Rainwater harvesting basics: All you need to know about recharge pits
Posted on 18 Aug, 2009 04:09 PM1) Overview: