You say right that pollution is one of the major issues of the whole population. It is the fault of government not of people because pollution act is present in every country law but government gets bribery and permit the mill owners to spread pollution in surroundings and it creates many mysterious diseases in human life organs.

there are many types of pollution as land pollution, air pollution, water pollution, light pollution, noise pollution and etc…

Facts about Pollution are under mentioned:

Americans generate 30 billion foam cups, 220 million tires, and 1.8 billion disposable diapers every year, according to the Green Schools Alliance.
According to the WHO, ambient air pollution contributes to 6.7 percent of all deaths worldwide.

The Mississippi River drains the land of nearly 40 percent of the continental United Sates. It also carries an estimated 1.5 million metric tons of nitrogen pollution into the Gulf of Mexico each year, resulting in a dead zone each summer about the size of New Jersey.
Pollution in China can change weather patterns in the United States. It takes just five days for the jet stream to carry heavy air pollution from China to the United States, where it stops clouds from producing rain and snow.

About 7 million premature deaths annually are linked to air pollution, according to WHO. That is one in eight deaths worldwide.
About 56 percent of the trash in the United States is put in landfills. Half of landfill space consists of paper. Recycling just 1 ton (907.18 kg) of paper can save 3 cubic feet (0.08 cubic meter) of space, according to the EPA.

i read a lot about Delhi and its pollution fiasco. Everything is manmade and only man can undo what they are responsible for.