Answer
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Hint: We know that, average temperature of the Earth is increasing nowadays and this phenomenon is termed as global warming. The temperature of Earth had already increased by one degree Celsius compared to pre-industrial levels. A very small change in temperature causes a big change to World’s climate.
Complete step by step answer: Let’s understand the cause of global warming. The rise of temperature of Earth is due to higher concentration of greenhouse gases in the atmosphere. Greenhouse gases are gases that absorb infrared radiation emitted from the surface of heat and reradiate it back to the surface of Earth. Some of the greenhouse gases are carbon dioxide, methane etc. These gases are released due to human activities such as burning of fossil fuels, cutting of trees etc.
Let’s discuss how greenhouse gases cause global warming. Greenhouse gases such as carbon dioxide and other pollutants of air absorb solar radiation and sunlight that have bounded off the surface of Earth. Usually, this radiation escapes into space but these gases trap the heat and cause the increase of temperature of Earth.
Let’s discuss how to control global warming. We have to reduce the emission of carbon dioxide and this can be achieved by reducing the use of fossil fuels. Another way to control global warming is planting more trees. Carbon dioxide is used by plants for photosynthesis.
Note: Global warming increases ocean temperature which causes melting of glaciers and ice- caps. This results in the rise of sea levels which is a threat to coastal areas. Due to global warming, cyclones, bushfires, droughts are more frequent these days.
Complete step by step answer: Let’s understand the cause of global warming. The rise of temperature of Earth is due to higher concentration of greenhouse gases in the atmosphere. Greenhouse gases are gases that absorb infrared radiation emitted from the surface of heat and reradiate it back to the surface of Earth. Some of the greenhouse gases are carbon dioxide, methane etc. These gases are released due to human activities such as burning of fossil fuels, cutting of trees etc.
Let’s discuss how greenhouse gases cause global warming. Greenhouse gases such as carbon dioxide and other pollutants of air absorb solar radiation and sunlight that have bounded off the surface of Earth. Usually, this radiation escapes into space but these gases trap the heat and cause the increase of temperature of Earth.
Let’s discuss how to control global warming. We have to reduce the emission of carbon dioxide and this can be achieved by reducing the use of fossil fuels. Another way to control global warming is planting more trees. Carbon dioxide is used by plants for photosynthesis.
Note: Global warming increases ocean temperature which causes melting of glaciers and ice- caps. This results in the rise of sea levels which is a threat to coastal areas. Due to global warming, cyclones, bushfires, droughts are more frequent these days.
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