2019 Carbon Monoxide Ground-Level Ozone 
Academy of Natural Sciences
SEPTEMBER 1, 2021
Motor vehicle exhaust is one big source of ground-level ozone or smog, fine particulate matter, carbon monoxide and nitrogen dioxide. As of 2019, the Indego system has about 150 stations and 1,500 bikes available all over the city 365 days of the year. Don’t own a bicycle or nervous about investing in one?
Union of Concerned Scientists
SEPTEMBER 26, 2024
Fossil fuel combustion produces carbon dioxide (CO2), the most abundant global warming pollutant, but also produces local pollutants such as fine particulate matter (PM2.5), nitrogen oxides (NOx), carbon monoxide (CO) and volatile organic compounds (VOCs). Bermix Studio/Unsplash PM2.5: A subset of these particles, called PM2.5,
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