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Lesson 7.2 Vocab

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climate change
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Definition

changes in the measures of Earth’s climate over a long period of time including weather, precipitation, and temperature patterns

Use In A Sentence

Rising global temperatures due to climate change are causing more frequent and intense extreme weather events, such as hurricanes and heatwaves.

emissions
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Definition

The release of substances, such as gases, particles, or radiation, into the air, water, or soil.

Use In A Sentence

The countries with the highest CO₂ emissions per person are wealthy countries—like Canada and Australia—or oil-producers like Qatar and Saudi Arabia.

fossil fuel
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Definition

Natural carbon-rich fuels that are formed over long periods of time and release greenhouse gases when burned.

Use In A Sentence

Since 1750, the burning of fossil fuels has added more and more carbon dioxide to the atmosphere, rapidly warming the planet and causing climate change.

global warming
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Definition

The rise in global temperatures due mainly to the emission of greenhouse gases.

Use In A Sentence

Global warming will lead to sea-level rise, increased drought, and more tropical storms.

greenhouse gases
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Definition

Gases, such as carbon dioxide, that trap heat and keep the planet warm. These are found naturally in our atmosphere, but human activity—especially burning fossil fuels—has added more and is causing climate change.

Use In A Sentence

Greenhouse gases, such as carbon dioxide, methane, and nitrous oxide, trap heat from the Sun inside Earth’s atmosphere.

Holocene
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Definition

the geological epoch that begins with the end of the last ice age, about 13,000 years ago, and ends at the start of the Anthropocene epoch, about 200 years ago

Use In A Sentence

There have been no major ice ages during the Holocene.

Climate

Driving Question: How might climate change increase complexity?

Earth’s climate has played a role in how life on Earth has evolved for billions of years. But in the past 250 years, humans have played an outsized role in altering Earth’s climate. What does the future of humanity and the planet look like? The answer has a lot to do with you.

Learning Objectives:

  1. Evaluate how climate change currently impacts humans and our planet.
  2. Explain how climate change might impact our future.
STEP 1

Opener: Climate

Teaching Tools

Want students to learn more about climate change and the innovations and adaptations we’ll need in the future? Check out Lesson 3.2: Climate Change Adaptation and Lesson 3.3: The Need for Climate Innovation External link in OER Project: Climate.

We often call natural disasters “acts of God” because they seem to come out of nowhere. But scientists actually know quite a bit about how they happen. Read this next opener to learn more.

STEP 2

The Future of Climate

Teaching Tools

As students watch the climate history video, help them engage critically with the material by providing a note-taking strategy or a graphic organizer, or have them answer the guiding questions. Providing them with something to do while watching helps them activate their thinking and make connections to prior knowledge. Want more video tips? Check out the OER Project Video Guide External link .

We hear news about the uncertain future of our climate every day it seems—this video and activity help put things into a Big History perspective.

Climate History and Our Future External link

For billions of years, changes in Earth’s climate have meant changes for life. As our climate changes now, we can look to history to understand how it might affect our future.
STEP 3

Earth’s Changing Atmosphere

Teaching Tools

Help your students get the most from the video by using the settings button to turn on closed captions in different languages and to set the video playback speed. For more tips like these, check out page 6 of the Differentiation Guide External link .

Have you ever wondered how scientists can know with such confidence what the climate was like in the distant past? This video provides some answers!

How Climate Change Affects Our Atmosphere External link

Earth’s climate has always experienced natural warming and cooling cycles, but today’s rapid warming is driven by a different factor: human activity.
STEP 4

Climate Pioneers

Teaching Tools

Did you know that Eunice Foote wasn’t just a pioneer in climate change, she also campaigned for women’s suffrage and signed the “Declaration of Sentiments” at the Seneca Falls Women’s Rights Convention in 1848? Learn more about Foote’s life and accomplishments in this blog post External link .

Meet the climate pioneers who helped further our understanding of climate science and environmental restoration.

STEP 5

Closer: Climate

Teaching Tools

Don’t skip this closing activity! Students will think about their vision of the future for climate, space, technology, and human systems, which will help them in the last lesson of this unit when they decide what the next threshold might be.

There are many possible futures. How do you imagine the climate of tomorrow?