Although ozone pollution is dropping across many parts of the United States, western Europe and Japan, many people living in those countries still experience numerous days every year in which levels of the lung irritant exceed health-based standards.
articles
NASA Finds Wind Shear Still Affecting Tropical Cyclone Cebile
Vertical wind shear was still affecting Tropical Cyclone Cebile when NASA's Terra satellite passed over the Southern Pacific Ocean on Feb. 6. Cebile is undergoing a transition into a subtropical cyclone.
Viruses - Lots of Them - Are Falling From the Sky
An astonishing number of viruses are circulating around the Earth’s atmosphere – and falling from it – according to new research from scientists in Canada, Spain and the U.S.
Hydrogen: Fuel of the Future?
Hydrogen is the most abundant element in the universe. And as the race to find energy sources to replace our dwindling fossil fuel supplies continues, hydrogen is likely to play a crucial role.
Ozone at Lower Latitudes is Not Recovering, Despite Antarctic Ozone Hole Healing
Global ozone has been declining since the 1970s owing to certain man-made chemicals. Since these were banned, parts of the layer have been recovering, particularly at the poles.
Sea Floor Uplift After Last Ice Age Causes Methane Release in the Arctic Today
Hundreds of methane flares observed offshore Western Svalbard in the Arctic are caused by a process that started at the end of the last ice age, according to the study. The methane release happens because the gas is freed from melting hydrates – an icy substance found below the ocean floor, containing methane in a cage of frozen water.