NASA study untangles smoke, pollution effects on clouds

A new NASA-led study helps answer decades-old questions about the role of smoke and human-caused air pollution on clouds and rainfall. Looking specifically at deep convective clouds—tall clouds like thunderclouds, formed ...

The pizza slice that comes at a price

A recent study has shown that emissions in major cities caused by restaurants such as pizzerias and steakhouses using wood burners can be damaging to the urban environment. 

Dirty snow causes early runoff in Cascades, Rockies

Soot from pollution causes winter snowpacks to warm, shrink and warm some more. This continuous cycle sends snowmelt streaming down mountains as much as a month early, a new study finds. How pollution affects a mountain range's ...