Water pollution isn't just a problem for the United States.According to United Nations, 783 million people do not have access to clean water and around 2.5 billion do not have access to adequate sanitation.The nutrient works like fertilizer and makes algae grow at excessive rates, according to NOAA. The plants die and their decomposition leads to less oxygen in the water. The air we breathe has a very exact chemical composition; 99% of it is made up of nitrogen, oxygen, water vapor and inert gases.
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Other sources of air pollution can come from within buildings, such as secondhand smoke.
Finally, air pollution can take the form of greenhouse gases, such as carbon dioxide or sulfur dioxide, which are warming the planet through the greenhouse effect.
Much of it is classified as non-hazardous, such as construction material (wood, concrete, bricks, glass, etc.) and medical waste (bandages, surgical gloves, surgical instruments, discarded needles, etc.).
Hazardous waste is any liquid, solid or sludge waste that contain properties that are dangerous of potentially harmful to human health or the environment.
Water pollution can also severely affect marine life.
For example, sewage causes pathogens to grow, while organic and inorganic compounds in water can change the composition of the precious resource.Land can become polluted by household garbage and by industrial waste. A little over half of the waste — 136 million tons— was gathered in landfills. Organic material was the largest component of the garbage generated, the EPA said.In 2014, Americans produced about 258 million tons of solid waste, according to the U. Paper and paperboard accounted for more than 26%; food was 15% and yard trimmings were 13%.Another common type of air pollution is dangerous gases, such as sulfur dioxide, carbon monoxide, nitrogen oxides and chemical vapors.These can take part in further chemical reactions once they are in the atmosphere, creating acid rain and smog.According to the EPA, the greenhouse effect is when gases absorb the infrared radiation that is released from the Earth, preventing the heat from escaping.This is a natural process that keeps our atmosphere warm.Water pollution happens when chemicals or dangerous foreign substances are introduced to water, including chemicals, sewage, pesticides and fertilizers from agricultural runoff, or metals like lead or mercury.According to the Environmental Protection Agency (EPA), 44% of assessed stream miles, 64% of lakes and 30% of bay and estuarine areas are not clean enough for fishing and swimming.Commercial or industrial waste is a significant portion of solid waste.According to the University of Utah, industries use 4 million pounds of materials in order to provide the average American family with needed products for one year.