speech on global warming about 100 words
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Answer:
Global warming is the increase in the average temperature of the earth’s atmosphere. It is caused by the rise in carbon dioxide levels in the atmosphere, which leads to an increase in temperature. Global warming has been accelerated due to mass deforestation activities by man. Plants use carbon dioxide to prepare their food and release oxygen as a by-product. So, if we have enough plants, they will absorb the excess carbon dioxide from the atmosphere and decrease the rate of global warming to some extent. Planting more trees can reduce the carbon dioxide levels in the atmosphere and will result in a decrease in global warming.
Global Warming is when the earth heats up (the temperature rises). It happens when greenhouse gases (carbon dioxide, water vapor, nitrous oxide, and methane) trap heat and light from the sun in the earth's atmosphere, which increases the temperature. This hurts many people, animals, and plants.