Satellites are showing clouds of sulphur dioxide from Iceland's restive Bardarbunga volcano.
Volcanic eruptions across a vast area of what is now Western Australian and the Northern Territory 510 million years ago caused the first known mass extinction of complex life forms.
With its exploding urban population burning ever more coal and wood, Africa could contribute as much as 55 percent of the world's particle pollutants by 2030, a study said Tuesday.
The Kelut volcano on Indonesia's Java island erupted late last night. While disaster-management authorities are busy on the ground, satellites are tracking the major cloud of ash and sulphur dioxide as it spreads in the atmosphere.
Scientists said on Friday they had mapped ground-level air pollution in China from space for the first time, a feat that should help the fight against a notorious health hazard.
According to the theory, small clusters of molecules in the atmosphere have difficulty growing large enough to act as "cloud condensation nuclei" on which water droplets can gather to make our familiar low-altitude clouds. ...
Medieval chronicles have given an international group of researchers a glimpse into the past to assess how historical volcanic eruptions affected the weather in Ireland up to 1500 years ago.
(Phys.org) —Scientists have discovered further evidence for the existence of new molecules in the atmosphere that have the potential to off-set global warming by reacting with airborne pollutants.
Eight European Union countries exceeded the bloc's air pollution limits in 2011, down from 12 the previous year, the European Environment Agency said in a report published on Monday.
Thick grey smog pressed against Zhao Jian's windshield, blotting visibility to two metres as he drove through China's most polluted city.