Global Warming Effects
Global warming is the increase in temperature of the earth's atmosphere due to increased levels of greenhouse gases. Greenhouse gases are naturally occurring gasses that trap solar radiation (heat) in the atmosphere. As these gases accumulate in the atmosphere, they cause temperatures to rise.
Temperature Increase :
The average global surface temperature has risen about 1°C since 1880. This means that the average temperature of the Earth's surface has increased by approximately 0.8°F. Temperatures have been rising at a rate of about 0.12°F per decade since 1980.
Climate Change :
There are many different factors that contribute to climate change including increasing atmospheric carbon dioxide concentrations, changing land use practices, and natural variability.
Extreme Weather Events :
Extreme weather events are defined as those events that occur outside of normal ranges. Examples of extreme weather events include hurricanes, tornadoes, floods, and droughts.
Sea Level Rise :
Sea level rise is the gradual rise in sea level caused by thermal expansion of water as it warms. Since 1900, sea level has risen by 8 inches. In addition to sea level rise, glaciers around the world are melting, causing sea levels to rise faster than expected.
Ocean Acidification :
Ocean acidification occurs when ocean waters absorb CO2 from the air. When CO2 dissolves in seawater, it reacts with H+ ions to produce carbonic acid. Carbonic acid lowers the pH of the oceans, making them less alkaline and more acidic.
Ozone Depletion :
Ozone depletion occurs when ozone-depleting chemicals are emitted into the atmosphere. Ozone is a gas that helps protect people from harmful ultraviolet rays. Without enough ozone, the sun's UV rays can penetrate the stratosphere and reach the ground.
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