human activities
Storyboard Text
- OK, class, today we're debating whether natural factors or human activities have a greater impact on the climate.
- Burning fossil fuels affects the climate because when fossil fuels are burned, they release large amounts of carbon dioxide, a greenhouse gas, into the air. Greenhouse gases trap heat in our atmosphere, causing global warming.
- The natural causes that affect the climate are volcanic eruptions, ocean currents, and hurricanes.
- Human activities that affect the climate are deforestation, burning fossil fuels and farming livestock.
- Human activities have a greater effect on the climate than most people realize, because the dramatic change in the climate on earth is caused by humans.
- I agree with her because greenhouse gases are rising so much as a result of human activities, which are the biggest cause of climate change.
- Natural causes also have an influence on the climate, but they are not the main causes of climate change.
- I also agree, because the percentage of the effect of human activities on the climate is between 95 and 100% due to human activities.
- Deforestation affects the climate because when trees are cut down and burned or allowed to rot, their stored carbon is released into the air as carbon dioxide.
- Livestock agriculture is a source of methane, a powerful greenhouse gas. Although carbon dioxide is much more abundant in the atmosphere than methane, methane traps roughly 30 times more heat than carbon dioxide.
- Well, I love your debate and you share your answers respectfully, and you are right, the correct answer is human activities.Now this period is done.
- You too, have a good day.
- Good bye everyone and have a good day.
- Thank you very much, mister, and good-bye.
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