An air pollutant is known as a substance in the air that can cause harm to humans and the environment. Pollutants can be in the form of solid particles, liquid droplets, or gases. In addition, they may be natural or man-made
Air pollution is the introduction of chemicals, particulate matter, or biological materialsthat cause harm or discomfort to humans or other living organisms, or damages the natural environment into the atmosphere.
Air pollution is the introduction of chemicals, particulate matter, or biological materialsthat cause harm or discomfort to humans or other living organisms, or damages the natural environment into the atmosphere.
The atmosphere is a complex dynamic natural gaseous system that is essential to support life on planet Earth. Stratospheric ozone depletion due to air pollution has long been recognized as a threat to human health as well as to the Earth's ecosystems.
Countries with the highest CO2 emissions | ||
|---|---|---|
Country | Carbon dioxide emissions per year (106 Tons) (2006) | Percentage of global total |
China | 6,103 | 21.5% |
United States | 5,752 | 20.2% |
Russia | 1,564 | 5.5% |
India | 1,510 | 5.3% |
Japan | 1293 | 4.6% |
Germany | 805 | 2.8% |
United Kingdom | 568 | 2.0% |
Canada | 544 | 1.9% |
South Korea | 475 | 1.7% |
Italy | 474 | 1.7% |
