Satellite images recently showed air pollution from Ontario fires in the Great Lakes region.
Nitrogen dioxide, which forms when nitrogen combines with oxygen during combustion, appears in NASA satellite images taken from July 15 to July 18.
The fires caused thousands of Canadian residents to evacuate.
The image was created with NASA’s Ozone Measuring Instrument. It measures the number of nitrogen dioxide molecules in a cubic centimeter.
The highest concentration was observed in the southern tip of Lake Michigan.
It prompted the Minnesota Pollution Control Agency to issue an air pollution alert, reported the Duluth …

The International Joint Commission, the organization responsible for advising the U.S. and Canadian governments on boundary issues of water and air quality, welcomed two members to its ranks recently.

Michigan Christmas tree growers looking to chemically combat the gypsy moth are out of luck — the time period to spray insecticides has ended for all counties.
But a new tool makes it easier to know when it’s okay to spray.
Michigan State University’s interactive map Enviro-weather combines weather data and best pest and natural resources practices. It recently added gypsy moth spray windows and temperature maps to help tree farmers treat the invasive insect.
This mashup isn’t just for Christmas tree growers.
Enviro-weather features weather, temperature and precipitation information for dozens of Michigan …

Sony Corp. and Intel Corp. selected five students from Arthur Hill High School in Saginaw, Mich. to search for Great Lakes shipwrecks.