Understanding Climate Change

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Questions and Answers

Which of the following activities primarily contributes to the release of greenhouse gases?

  • Conserving water usage at home
  • Recycling plastic and glass materials
  • Burning fossil fuels for energy (correct)
  • Planting trees in urban areas

What is the primary effect of increased greenhouse gas concentration in the Earth's atmosphere?

  • Trapping more heat and raising global temperatures (correct)
  • Reduced air pollution in major cities
  • Expansion of the ozone layer
  • Decreased global ice production

Besides fossil fuels, which of the following agricultural practices contributes significantly to greenhouse gas emissions?

  • Crop rotation techniques
  • Aquaponics
  • Rearing livestock, particularly cows (correct)
  • Organic farming methods

Which consequence of climate change poses the most immediate threat to coastal communities?

<p>Rising sea levels (B)</p>
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What is the most effective way for individuals to contribute to mitigating climate change?

<p>Learning about climate change and adopting more sustainable practices (A)</p>
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Which of the following actions would have the LEAST impact on reducing your carbon footprint?

<p>Flying first class more often (B)</p>
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How does deforestation contribute to climate change?

<p>By reducing the amount of carbon dioxide absorbed from the atmosphere (A)</p>
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Which of the following exemplifies a positive feedback loop in the context of climate change?

<p>Melting permafrost releasing methane, which further warms the planet, causing more permafrost to melt. (D)</p>
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Imagine a scenario where geoengineering technologies successfully reduce global temperatures to pre-industrial levels. Which of the following long-term consequences would still need to be addressed?

<p>Reversal of ocean acidification and its impact on marine ecosystems. (C)</p>
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Consider a hypothetical scenario where a new technology allows for the complete removal of carbon dioxide from the atmosphere, but its implementation inadvertently triggers a significant reduction in global cloud cover. What would be the MOST likely resulting impact on the Earth's energy balance?

<p>A decrease in the Earth's albedo, leading to increased absorption of solar radiation and a potential rise in global temperatures. (D)</p>
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Flashcards

What is climate change?

The increase in Earth's global temperature due to human activities.

What are fossil fuels?

Burning these to power cities, cars, and planes releases harmful gases which contribute to climate change.

What are greenhouse gases?

Gases like carbon dioxide, methane, and nitrous oxide that trap heat in the Earth's atmosphere.

What is deforestation?

Removing forests, which absorb carbon dioxide, exacerbates climate change.

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What are consequences of climate change?

Rising temperatures, melting glaciers, rising sea levels, and threats to living things.

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What actions mitigate climate change?

Conserving energy, planting trees, and conserving water.

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How can we better understand climate change?

Learning about climate change by watching videos, reading books, and consulting parents and teachers.

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What is the greenhouse effect?

Trapping heat and warming the Earth due to increased greenhouse gas concentration.

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Study Notes

  • Climate change is a critical issue happening on Earth right now.
  • Understanding and addressing climate change is essential for ensuring a future on Earth.

Causes of Climate Change

  • One of the main problems is the continued use of fossil fuels like coal and oil.
  • Burning fossil fuels to power cities, cars and planes releases harmful gases into the air.
  • Deforestation to make room for people and raising animals contributes to the problem.
  • Certain farm animals release significant amounts of gases into the atmosphere.
  • Cows produce nearly 20% of all harmful gases through burping and farting.
  • Greenhouse gases, released by cows, fossil fuels, and other sources, trap heat and warm the Earth.

The Greenhouse Effect

  • Greenhouse gases create a blanket around the earth, trapping hot air.
  • The increasing concentration of greenhouse gases thickens this blanket and raises the global temperature.

Consequences of Climate Change

  • If climate change is not addressed, the world will become like a giant oven.
  • The Earth is getting hotter, melting glaciers, and causing sea levels to rise.
  • All living things, including plants, animals, and humans, are endangered by climate change.

Actions to Mitigate Climate Change

  • A significant change is needed in how we live to secure a better future.
  • Everyone needs to stop polluting and start doing things that will help the environment.
  • Actions include: saving energy, planting trees, and saving water.
  • Learning more about climate change is a crucial first step.
  • We can learn more by watching videos, reading books, and consulting parents and teachers.
  • By working together, we can create a future to be proud of.

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