Latest Updates | Centre for Science and Environment

Latest Updates

Capturing Rainwater

A way to augment Chandigarh’s water resources

Chandigarh|CSE|Groundwater Recharge|rainwater harvesting|Water Management|Story
CSE Press Note: Clean air before the Games: Are we living up to it?
  • CSE releases the results of its latest assessment of pre-Commonwealth air quality and air pollution control measures 
Air Pollution|Air Quality Standards|CSE Study|Delhi|Health Effects|Public Transport|Respiratory Diseases|Media Resource Centre|Press Release
Press release: Studies say rising mercury levels could be connected to global warming
  • 2009 warmest year ever recorded for India

  • Globally, 11 out of 12 years (from 1995 to 2006) rank among the 12 warmest years on record since 1850

Carbon Dioxide|Climate Change|Climate Impacts|Delhi|Heat Waves|Indian Meteorological Department (IMD)|Media Resource Centre|Press Release
How to Clean the Yamuna

While the Delhi government has been debating on what needs to be done to clean the river, the pollution levels have only worsened.

In its book Sewage Canal: How to Clean the Yamuna, published in 2007, the Centre for Science and Environment reported that the Delhi stretch of the river is not only dead but had an overload of coliform contamination. Two years later, the pollution data shows no respite to the river.

The 22-km stretch of the Yamuna, which is barely 2 per cent of the length of the river basin, continues to contribute over 80 per cent of the pollution load in the entire stretch of the river. There is also no water in the river for virtually nine months. Delhi, impounds water at the barrage constructed at Wazirabad where the river enters Delhi. What flows in the river subsequently is only sewage and waste from Delhi’s 22 drains. In other words, the river ceases to exist at Wazirabad. 

This also means that there is just no water available to dilute the waste. The issue of a basic minimum flow in the river has been discussed time and again, but with water becoming more and more scare and contested, Delhi’s upstream neighbours are reluctant to release water. Delhi itself is water greedy and sucks up each  drop that is released as its share. The river is then reduced to a drain for the filth and waste of the city’s inhabitants.

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Delhi|Flush Toilets|River Pollution|Sewage|Sewage Treatment Plants (STP)|Sewage Treatment Technology|Yamuna|River Pollution|Story
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