10 Causes Of Global Warming
Scientists have determined that a number of human activities are contributing to global warming by adding excessive amounts of greenhouse gases. The existence of this effect is accepted by all scientists.
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The excess heat in the atmosphere has caused the average global temperature to rise overtime otherwise known as global warming.
10 causes of global warming. Glaciers have shrunk ice on rivers and lakes is breaking up earlier plant and animal ranges have shifted and trees are flowering sooner. One of the first things the IPCC concluded is that there are several greenhouse gases responsible for warming and humans emit them in a variety of. The global warming happens because the natural rotation of the sun that changes the intensity of sunlight and moving closer to the earth.
These greenhouse gasses are carbon dioxide chlorofluorocarbons water vapor methane and nitrous oxide. Loss of sea ice accelerated sea level rise and longer more intense heat waves. Another cause of global warming is greenhouse gases.
Global warming occurs when carbon dioxide CO2 and other air pollutants and greenhouse gases collect in the atmosphere and absorb sunlight and. The natural greenhouse effect is associated with surface warming properties of natural constituents of Earths atmosphere especially water vapour carbon dioxide and methane. A greenhouse gas sometimes abbreviated GHG is a gas that absorbs and emits radiant energy within the thermal infrared range causing the greenhouse effect.
Most climate scientists agree the main cause of the current global warming trend is human expansion of the greenhouse effect warming that results when the. Effects that scientists had predicted in the past would result from global climate change are now occurring. Global warming is an aspect of climate change referring to the long-term rise of the planets temperatures.
Global warming is the unusually rapid increase in Earths average surface temperature over the past century primarily due to the greenhouse gases released by people burning fossil fuels. It is caused by increased concentrations of greenhouse gases in the atmosphere mainly from human activities such as burning fossil fuels deforestation and farming. Greenhouse gases are carbon monoxide and sulphur dioxide it trap the solar heats rays and prevent it from escaping from the surface of the earth.
Global warming is a gradual increase in the earths temperature generally due to the greenhouse effect caused by increased levels of carbon dioxide CFCs and other pollutants. The primary greenhouse gases in Earths atmosphere are water vapor H 2 O carbon dioxide CO 2 methane CH 4 nitrous oxide N 2 O and ozone O 3Without greenhouse gases the average temperature of Earths surface would be about. Humans are increasingly influencing the climate and the earths temperature by burning fossil fuels cutting down rainforests and farming livestockThis adds enormous amounts of greenhouse gases to those naturally occurring in the atmosphere increasing the greenhouse effect and global warmingGreenhouse gasesSome gases in the Earths atmosphere act a bit like the glass in a.
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