1.New Delhi generally has its fair share of pollution problems due to the nine million vehicles that clog its streets, most not conforming to emissions standards.
conform to符合,遵照
Taxis must conform to the rigorous standards laid down by the police.
出租车必须遵守警方的严格规定 。
2.These include chemical pollution blowing in from nearby states, farmers setting fire to straw as autumn arrives, and a lack of wind.
set fire to放火烧,点着了…
They set fire to vehicles outside that building.
他们纵火焚烧了停在那幢大楼外的车辆 。