Delhi's government proposed a permanent firework ban to the Supreme Court, citing air pollution concerns. Experts acknowledge ...

Nitrogen oxides (NOx) are a group of gases formed by nitric oxide and nitrogen dioxide. They are produced, above all, by the ...

In the dog days of summer, there’s nowhere a dog—or person—would rather be than in front of the air conditioner, enjoying a pleasant breeze instead of the sweltering heat outside.

Burning, damaged and deserted military vehicles have been seen lining the road from Damascus to the border with Lebanon after ...