Air pollution refers to a wide range of gases, liquids, and solids suspended in the atmosphere. Known to have harmful effects on the respiratory and cardiovascular systems, these contaminants are now ...

In this infographic, we explore different types of air pollutants, sources of air pollution and key techniques used to monitor these compounds. The quality of indoor air dramatically affects the ...

Some of the consequences of light pollution are immediate and obvious—for example, a moth that flies into a streetlamp may die on impact. But there are also less visible, possibly more damaging ...