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7 May 2019

Roman mining activities polluted European air more heavily than previously thought

Roman-era mining activities increased atmospheric lead concentrations by at least a factor of 10, polluting air over Europe more heavily and for longer than previously thought, according to a new analysis of ice cores taken from glaciers on France’s Mont Blanc.


16 April 2019

Dust toll in Africa exceeds deaths from HIV

New modeling indicates mineral dust from the Sahara is the biggest contributor to air pollution-related premature deaths on the African continent.


18 October 2018

A clearer path to clean air in China

China has invested billions of dollars to clean up its deadly air pollution, focusing intensely on reducing emissions of sulfur dioxide from coal-burning power plants. A new study shows reducing formaldehyde emissions may be the key to clearing winter air.


1 October 2018

High CO2 levels thicken plant leaves, which could worsen climate change effects

Plant scientists have observed that when levels of carbon dioxide in the atmosphere rise, most plants do something unusual: They thicken their leaves. And since human activity is raising atmospheric carbon dioxide levels, thick-leafed plants appear to be in our future.


7 July 2017

NASA Satellite Sees Air Pollution from Fireworks on the 4th

Suffice to say, those with asthma and other breathing disorders might want to watch the fireworks on TV next year. I was surprised at how strong the signal was. The fact that independence was declared in early July when the atmosphere is fairly quiet with light winds, means the dispersal will be slow. Even more so when you have a low-level temperature inversion that can trap the fine particles near …