Coal-fired plant.

Byline: Dr Mahmood A. Khwaja - Islamabad

THIS refers to Syed Muhammad Abubakar's article 'Life under the shadow of a coal-fired power plant' (Eos, Dec 15). I wish to draw your, his and readers' attention to the Sahiwal coal power project/plant photo taken and included in the article by the writer.

The photo clearly shows white emissions coming out of the high chimneys.

Environmental experts know well that the white emissions (not black or brown owing to coal unburnt particles emission) are clean steam/water vapours formed from scrubber water because of the very high temperature of the outcoming hot gases (during coal-burning).

This means a most effective process has been...