Siberian smoke heading toward U.S. and Canada

Fires in the Siberian area of Russia are usually quite severe by this time of year and 2019 is no exception. This NOAA/NASA Suomi NPP image taken on July 30, 2019 shows dozens to hundreds of fires burning across a large expanse ...

Tracking down particulates

Wood-burning stoves are enjoying a surge in popularity. But burning biomass releases fine dust particles that are hazardous to health. Consequently, new legal limits for particulate emissions from such stoves were introduced ...