Third

♤ People are exposed to a mixture of pollutants whose combined effect has serious health impact. The benefits are greater when pollution sources are regulated for multi-pollutants.

♤ Delhi’s air is thick with particulate matter, nitrogen oxides, ozone and air toxins.

♤ There is merit in NGT’s focus on diesel emissions which is a multi-pollutant mixture classified as a class one carcinogen for its strong link with lung cancer. Exposure to toxins should be eliminated.