It is truly troubling to realize that many people have built their homes nearby these major pollutants. The World Health Organization has released numerous reports stating that life expectancy is still below the age of 40 in many countries. Yet there are 16 countries where the citizens can expect to live past 80 years old. Although contributing factors include war and civil strife, one of the biggest factors is disease. Many countries still lack proper sanitation and trash removal, leaving its hungry citizens to dig through polluted waste to find food. The contrast between developing nations and developed nations is far reaching, even though developed countries like the United States are major polluters. Overall there are many factors that contribute to the cleanliness and health of a city.

Tags: Pollution Energy-Conservation Renewable-energy