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Pollution is the introduction of contaminants into a natural environment. There are many types of pollution including air pollution, light pollution, water pollution and noise pollution. The effects on human health from pollution are significant. Pollution in the air can kill organisms including humans. Ozone pollution can cause respiratory disease and inflammation. Water pollution causes 14,000 deaths a day mostly due the to the contamination of drinking water by untreated sewage in developing countries.
Habitats, like wetlands, are places where plants and animals live. A habitat will provide food and water and shelter to the inhabitants. Pollution can damage these fragile habitats. There are many different types of habitats around the world from humid hot forests to vast grasslands, from icy mountain slopes to the hottest deserts. Different habitats are home to different animals. Every organism has certain habitat needs to thrive. A habitat isn't always just based on a geographical area it can be the interior of a rotten log, a clump of loss or a single cell within a host body. Habitats can change over time because of Pollution.