What is Climate Change? Video Recap

What are people calling climate change?

• The crisis of our time

• Not really a big deal

• A hoax, nothing to actually worry about

Since the year 1950, what record has the human population continued to break?

• The lowest levels of CO2 levels recordied in the atmosphere

• The highest levels of CO2 levels recorded in the atmosphere

• The cleanest air quality (overall average across the world)

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What do scientists say is the most likely cause (95% chance) of such high levels of atmospheric CO2?

• Natural cause - nothing we can do about it

• Human activity

• Activity of other animals

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What are a few reasons mentioned in the video for the increase in CO2 emissions over the past 70 years? Select all that apply.

• Fossil fuels, like oil and coal

• Global population has tripled in the past 70 years

• Methane from increased animal product consumption

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Please briefly describe what the Greenhouse Effect is, as explained in the video.

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What is the main concern when it comes to the Greenhouse Effect?

• That the Earth is getting warmer

• That the Earth is getting warmer too quickly

• The Earth is getting too cold

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By the year 2100, what is the -acceptable- increase in global temperature projected to be? (meaning it is okay that the Earth has warmed by this many degrees F by 2100)

• $3.0\ °F$
  

• $1.5\ \degree\ F$

• $0.5\ \degree F$

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According to research (as stated in the video), are we on track to to reach an increase in global temperatures of  $1.5\degree F$  by the year 2100?

• 
  

  Yes, right on track

• No, it will be a much smaller increase by the year 2100. Wahoo!

• No, it is expected that we will reach the increase by  $1.5\degree F$  in 10 years (by the year 2030). Yikes.

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With global temperatures increasing too quickly, what is expected to happen (or...what is already starting to happen)?

• Nothing negative is expected to happen. It just is what it is!

• An increase in environmental catastrophes/intense natural disasters

• Maybe just a few hotter days during the summer months

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What happens to sea water as temperatures get watmer?

• It gets colder

• It becomes more dense and "shrinks"

• It expands

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