Agricultural non-point source (NPS) pollution is a major cause of water quality degradation, with pollutants such as nitrogen and phosphorus carried by farmland surface runoff being important sources.

Delhi has once again entered that disturbing phase of winter where thick smog takes over the skyline. Crop residue burning in neighbouring states combined with emissions from vehicles, industries and ...

In winter mornings in Delhi, the city often wakes up under a pall of grey. The skyline dissolves into haze, the sun appears dulled, and the air carries a faint, ...