Green Car Congress

FEBRUARY 6, 2018

Ozone levels across much of North America and Europe dropped significantly between 2000 and 2014. People living in parts of southern Europe, South Korea and southern Japan and China also experienced more than 15 days a year of ozone levels above 70 ppb. Source: University of Leicester. Click to enlarge.

Ozone 255

Ozone Global North America Colorado 255

Green Car Congress

FEBRUARY 15, 2020

The research was a collaboration between MIT’s Laboratory for Aviation and the Environment and the MIT Joint Program on the Science and Policy of Global Change. We can figure out, for example, how much NO x emissions from road transportation in Arizona in July affects human health in Texas, and we can do those calculations instantly.

MIT 307

MIT Pollution Emissions 2005 307

Green Car Congress

DECEMBER 22, 2010

This new global emission estimate is startling. Nitrous oxide is a potent greenhouse gas that contributes to climate change and stratospheric ozone destruction. Their work was part of a broader cross-site study of nitrogen processing in streams. The findings, the authors hope, will lead to more effective mitigation strategies.

New Hampshire 199

New Hampshire Global Climate Change Ozone 199