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Some people are saying that our climate is changing because we are doing weird thing to our planet and it my be true because the first thing we are destroying are the trees and one day we might die because of that because trees gives us fresh new air to breath and if we cut down trees lots of carbon dioxide float up to the atmosphere and makes a cloud full of carbon dioxide and the sun’s heat will get trapped underneath the atmosphere and will start heating up the earth and we and all living things will die.
Most climate scientists agree the main cause of the current global warming trend is human expansion of the greenhouse effects warming that results when the atmosphere traps heat radiating from Earth toward space. Gases in the atmosphere block heat from escaping. Long-lived gases that remain semi-permanently in the atmosphere and do not respond physically or chemically to changes in temperature are described as forcing climate change. Gases such as water vapor which respond physically or chemically to changes in temperature are seen.
Carbon dioxide A minor but very important component of the atmosphere, carbon dioxide is released through natural processes such as respiration and volcano eruptions and through human activities such as deforestation, land use changes, and burning fossil fuels. Humans have increased atmospheric CO2 concentration by more than a third since the Industrial Revolution began. This is the most important longlived “forcing” of climate change.
Indeed, studies show that solar variability has played a role in past climate changes. For example, a decrease in solar activity is thought to have triggered the Little Ice Age between approximately 1650 and 1850, when Greenland was largely cut off by ice from 1410 to the 1720s and glaciers advanced in the Alps. Percent of climate scientists agree that climate-warming trends over the past century are very likely due to human activities, and most of the leading scientific organizations worldwide have issued public statements endorsing this position.
Since 1978, a series of satellite instruments have measured the energy output of the sun directly. The satellite data show a very slight drop in solar irradiance which is a measure of the amount of energy the sun gives off over this time period. So the sun doesn’t appear to be responsible for the warming trend observed over the past several decades. Every single year since 1977 has been warmer than the 20th century average, with 16 to 17 warmest years records occurring since 2001 and 2016 being the warmest year on record in history.
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