Pollution can take the form of chemical substances or energy, such as noise, heat or light. Pollutants, the components of pollution, can be either foreign substances/energies or naturally occurring contaminants.
The millionaire investor from South Korea who lives in Bahrain wakes up every morning around 5 a.m. to pick up trash and sort recyclables in his city, according to a video directed and posted on YouTube by Omar Varov. Yo -- who joked his last name is "The Boss Of Cleaning" -- has been doing his part to keep the earth cleaner and safer for his community for 11 years.
"There is a lot of garbage," Yo told Varov through a translator in the video. "And this makes people sick. It causes problems."
"Today he is an example of simplicity, modesty and beautiful presence," Younis, who joined Varov during filming, said in the video. "You are truly a role model to youth."