Ukraine says it was struck by a new barrage of deadly Russian air attacks as an Easter ceasefire ended and as the US pushes ...

Russia has developed a system for monitoring hazardous substances in the air using an unmanned aerial vehicle. It not only records changes in the composition of the atmosphere, but is also able to ...

March 24 (Reuters) - Russia launched its third consecutive overnight air attack on Kyiv, wounding one person and damaging several houses in the region surrounding the Ukrainian capital ...

The rate at which the planet is warming has sped up since 2010, and now researchers say that China's efforts to clean up air ...

A city may have to wait 20 years to cut pollution levels to legal limits because of issues with a single road. Stephenson ...