26. You are to give a presentation regarding global warming in local news channel. Prepare a speech explaining how the global warming can have a major impact in our environment.
Answers
Answer:
here it is
Explanation:
Global warming is the ongoing rise of the average temperature of the Earth's climate system and has been demonstrated by direct temperature measurements and by measurements of various effects of the warming. It is a major aspect of climate change which, in addition to rising global surface temperatures, also includes its effects, such as changes in precipitation.while there have been prehistoric periods of global warming, observed changes since the mid-20th century have been unprecedented in rate and scale.
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Explanation:
Global warming is the ongoing rise of the average temperature of the Earth's climate system and has been demonstrated by direct temperature measurements and by measurements of various effects of the warming.It is a major aspect of climate change which, in addition to rising global surface temperatures,also includes its effects, such as changes in precipitation.While there have been prehistoric periods of global warming, observed changes since the mid-20th century have been unprecedented in rate and scale.
The Intergovernmental Panel on Climate Change (IPCC) concluded that "human influence on climate has been the dominant cause of observed warming since the mid-20th century". These findings have been recognized by the national science academies of major nations and are not disputed by any scientific body of national or international standing.The largest human influence has been the emission of greenhouse gases, with over 90% of the impact from carbon dioxide and methane.Fossil fuel burning is the principal source of these gases, with agricultural emissions and deforestation also playing significant roles.Climate sensitivity to these gases is impacted by feedbacks, such as loss of snow cover, increased water vapour, and melting permafrost.