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Revitalization of Rivers in India Draft Policy - Isha Guru Jaggi Vasudev

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<strong>Revitalization</strong> <strong>of</strong> <strong>Rivers</strong> In <strong>India</strong><br />

<strong>Draft</strong> <strong>Policy</strong> Recommendation<br />

CHANGING RAINFALL PATTERNS<br />

What we know<br />

A decl<strong>in</strong>e <strong>in</strong> monsoon ra<strong>in</strong>fall s<strong>in</strong>ce the 1950s has<br />

already been observed. The frequency <strong>of</strong> heavy<br />

ra<strong>in</strong>fall events has also <strong>in</strong>creased.<br />

A 2°C rise <strong>in</strong> the world’s average temperatures<br />

will make <strong>India</strong>’s summer monsoon highly<br />

unpredictable.<br />

At 4°C warm<strong>in</strong>g, an extremely wet monsoon that<br />

currently has a chance <strong>of</strong> occurr<strong>in</strong>g only once <strong>in</strong><br />

100 years is projected to occur every 10 years by<br />

the end <strong>of</strong> the century.<br />

What could happen<br />

An abrupt change <strong>in</strong> the monsoon could<br />

precipitate a major crisis, trigger<strong>in</strong>g more<br />

frequent droughts as well as greater flood<strong>in</strong>g <strong>in</strong><br />

large parts <strong>of</strong> <strong>India</strong>.<br />

<strong>India</strong>’s northwest coast to the south eastern<br />

coastal region could see higher than average<br />

ra<strong>in</strong>fall.<br />

Dry years are expected to be drier and wet years<br />

wetter.<br />

What can be done<br />

Improvements <strong>in</strong> hydro-meteorological systems<br />

for weather forecast<strong>in</strong>g and the <strong>in</strong>stallation <strong>of</strong> flood<br />

warn<strong>in</strong>g systems can help people move out <strong>of</strong> harm’s<br />

way before a weather-related disaster strikes.<br />

Build<strong>in</strong>g codes will need to be enforced to ensure<br />

that homes and <strong>in</strong>frastructure are not at risk.<br />

364 Annexures

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