The flood of Chinese exports, particularly in solar panels and other green-energy technology, has become a sore spot for the Biden administration as it tries to spur the same industries on American soil.
These are the two most prevalent types of air pollution. Smog (sometimes referred to as ground-level ozone) occurs when emissions from combusting fossil fuels react with sunlight. Soot—a type of particulate matter—is made up of tiny particles of chemicals, soil, smoke, dust, or allergens that are carried in the air. The sources of smog and soot are similar.