Paul 'Moose' Curtis is the first artist who has ever created graffiti by cleaning dirt from the streets. His art has a strong message behind it.

Research reveals that even low levels of air pollution significantly increase the risk of respiratory infections in adults, ...

Reducing sulphur in the air may inadvertently increase natural emissions of methane from wetlands such as peatlands and swamps, a new study has found. The resulting additional future release of 20-34 ...