Pittsburgh, PA - Pollution has been a problem for 2,000 years. Before the Industrial Revolution, our planet’s atmosphere was still untainted by human-made pollutants. Until now, scientists have discovered that when bubbles get trapped in Greenland’s ice, we started emitting greenhouse gasses for nearly 2,000 years.

Pollution can have different effects; it can harm the heart, create smoke, mold, pollen, methane,  and carbon dioxide. Air pollution occurs when harmful or excessive amounts of substances including gases, particles, and biological molecules. The biological molecules are released and can cause diseases, allergies, and death in humans. It’s also harmful to crops and animals.

Pollution has caused 1 in 8 deaths, killing 4.3 million people in one year. 92 percent of the global population lives with unhealthy air quality. Scientists from the NOAA state “We quantified how past emissions reductions saved lives, improved human health, and provided economic benefits.