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Pollution

Water wars

Mark Twain once remarked that “Whisky is for drinking; water is for fighting over.” Fresh water is a very precious and limited natural resource even though water covers about 71 per cent of the earth’s surface.

CAQM revokes GRAP-IV restrictions as Delhi’s AQI improves

The Commission for Air Quality Management (CAQM) in the National Capital Region (NCR) and adjoining areas revoked Stage IV restrictions under the Graded Response Action Plan (GRAP) on Tuesday, following a notable decline in pollution levels.

Top heavy

The slopes are said to be littered with empty oxygen cylinders, discarded tents, food cans and, of course, human waste. And as glaciers melt with global warming, they are revealing the debris of the years gone by.

Current air pollution standards tied to higher heart risks: Study

In January 2023, the EPA announced a proposal to tighten the annual PM2.5 standard by reducing the acceptable level to between 9.0 to 10.0 micrograms per cubic meter. The EPA said it was advising this change because the current standard did not adequately protect public health under the guidelines required by the Clean Air Act.

Delhi faces another ‘very poor’ air day with 346 AQI

On Monday, the SAFAR recorded Delhi's AQI at 317. At the Delhi University area, the air quality was recorded 'very poor' with the presence of PM 2.5 in the air recorded at 371, whereas the Pusa area recorded it at 341.