Several threats have emerged in recent years to the pristine Himalayan rivers of Uttarakhand. These include: (i) the proposed construction of 220 dams (ii) the drying up of rain fed rivers due to deforestation and deforestation of their catchments (iii) release of untreated sewage from river side towns and habitations and (iv) illegal sand mining of river beds.
The latest issue of SANDRP's newsletter contains the following: Solar Power Boom Bihar Floods 2007: Some lessons for everyone Power Options: New Look Required 11th Five Year Plan: Why it may not a
Due to the heat from the Sun the water in the rivers, lakes and Oceans becomes water vapour. As this hot moist air rises into the sky the temperature gets reduced at 7oC per km height in the sky.