Climate Change: Human Impact and Greenhouse Gases
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Questions and Answers

What is the term for the extinction of 75% or more of species within a time span of several million years?

  • Mass migration
  • Ecosystem collapse
  • Mass extinction (correct)
  • Species adaptation
  • According to the speech, what is the amount of time left to spend the remaining CO2 budget at current emissions levels?

  • Less than 8.5 years (correct)
  • Less than 10 years
  • Less than 5 years
  • Less than 15 years
  • What is the minimum percentage chance of staying below a 1.5 global temperature rise, according to the best odds given by the Intergovernment?

  • 50 percent
  • 75 percent
  • 67 percent (correct)
  • 80 percent
  • What is the term for when a series of small changes adds up to produce a larger change, according to the vocabulary?

    <p>Tipping point</p> Signup and view all the answers

    Why is the popular idea of cutting emissions in half in ten years insufficient, according to the speech?

    <p>Because it does not account for tipping points and feedback loops</p> Signup and view all the answers

    What is the term for the interdependent group of organisms and their environment, according to the vocabulary?

    <p>Ecosystem</p> Signup and view all the answers

    What is the primary cause of climate change over the past century, according to the majority of scientists?

    <p>Human activities that release greenhouse gases into the environment</p> Signup and view all the answers

    What is the main goal of the Paris Agreement?

    <p>To reduce emissions and keep the increase in average global temperature below 2 degrees Celsius</p> Signup and view all the answers

    What is the name of the Swedish teenager who began a 'climate strike' in 2018?

    <p>Greta Thunberg</p> Signup and view all the answers

    What is the predicted consequence of climate change on other species, according to some scientists?

    <p>A mass extinction</p> Signup and view all the answers

    What is the term used to describe the release of greenhouse gases such as carbon dioxide, methane, and nitrous oxide into the environment?

    <p>Emission</p> Signup and view all the answers

    In what year did the global climate strike demonstrations take place, involving around 6 million people?

    <p>2019</p> Signup and view all the answers

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