What can high level of carbon dioxide do to the environment

they cause climate change by trapping heat,and they also contribute to respiratory disease from smog and air pollution

Carbon dioxide is essential to the survival of plants and animals. Too much, however, can cause all life on Earth to die. Not only do plants and animals need to ingest carbon dioxide, but they also rely on the gas to keep them warm, as it is an essential component to Earth's atmosphere.  

Carbon dioxide is a naturally occurring greenhouse gas. Others include water vapor, methane and nitrous oxide. These gases help keep the Earth warm by absorbing the sun's energy and by redirecting energy back to the Earth's surface. An increase in the amount of carbon dioxide creates an overabundance of greenhouse gases that trap additional heat. This trapped heat leads to melting ice caps and rising ocean levels, which cause flooding.

Carbon dioxide contributes to air pollution in its role in the greenhouse effect. Carbon dioxide traps radiation at ground level, creating ground-level ozone. This atmospheric layer prevents the earth from cooling at night. One result is a warming of ocean waters. Oceans absorb carbon dioxide from the atmosphere. However, higher water temperatures compromise the oceans' ability to absorb carbon dioxide. Over time, the effects of carbon dioxide are compounded.

Plants remove carbon dioxide from the atmosphere in a process called carbon sequestration. The carbon dioxide is stored in biomass then released by the plant. In most cases, the amount released is less than the amount consumed by the plant. Farms, grasslands and forests are considered sources or sinks of carbon dioxide, depending on the practices on these lands.

Carbon dioxide is essential for the survival of animals. Oxygen is carried to body tissue during breathing and carbon dioxide is released. The gas protects the pH level of blood. Too much carbon dioxide, however, can kill animals. If carbon dioxide is confined, it can decrease the amount of oxygen reaching the body. Any increase or decrease to the amount of carbon dioxide reaching the body can lead to kidney failure or coma.

Another environmental effect of carbon dioxide on air pollution is climate change. The earth's surface temperature has risen over the last 100 years, according to studies done by the National Oceanic and Atmospheric Administration (NOAA). Scientists believe carbon dioxide pollution is the primary culprit. The effects are highly complex. Evidence shows, however, that ocean water levels have increased, resulting in a loss of shoreline and coastal wetlands.

Carbon dioxide is a contributor to the environmental effect known as acid rain. Emissions released from fossil fuel-burning energy plants combine with moisture in the air. The result is precipitation with a high acid content. Documented evidence shows the physical damage to trees and other plant life. Water and soil pollution occur from the acidic precipitation. A complicating factor is the mobility of emissions. The effects of carbon dioxide can be seen and felt far from their sources, making their impacts on air pollution more serious.

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explanation:

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