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Natural Cycle
https://vimeo.com/4868925

Climate Central

In this short video from ClimateCentral, host Jessica Harrop explains what evidence scientists have for claiming that recent global warming is caused by humans and is not just part of a natural cycle.

Video length 1:49 min.

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Learn more about Teaching Climate Literacy and Energy Awareness»

Climate Literacy
About Teaching Climate Literacy

Natural processes driving Earth’s long-term climate variability do not explain the rapid climate change observed in recent decades. The only explanation that is consistent with all available evidence is that human impacts are playing an increasing role in climate change. Future changes in climate may be rapid compared to historical changes.
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understanding of the climate system is improved through observations, theoretical studies, and modeling
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The overwhelming consensus of scientific studies on climate indicates that most of the observed increase in global average temperatures since the latter part of the 20th century is very likely due to human activities, primarily from increases in greenhouse gas concentrations resulting from the burning of fossil fuels.
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Human activities have affected the land, oceans, and atmosphere, and these changes have altered global climate patterns. Burning fossil fuels, releasing chemicals into the atmosphere, reducing the amount of forest cover, and rapid expansion of farming, development, and industrial activities are releasing carbon dioxide into the atmosphere and changing the balance of the climate system.
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Energy Literacy

Environmental quality is impacted by energy choices.
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7.3 Environmental quality.
The quality of life of individuals and societies is affected by energy choices.
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Energy affects quality of life .
Humans transfer and transform energy from the environment into forms useful for human endeavors.
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4.1 Humans transfer and transform energy.
Fossil and bio fuels are organic matter that contain energy captured from sunlight.
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4.3 Fossil and bio fuels contain energy captured from sunlight.
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Various sources of energy are used to power human activities .
Greenhouse gases affect energy flow through the Earth system.
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2.6 Greenhouse gases affect energy flow.
Physical processes on Earth are the result of energy flow through the Earth system.
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Physical processes on Earth are the result of energy flow .

Benchmarks for Science Literacy
Learn more about the Benchmarks

The earth's climates have changed in the past, are currently changing, and are expected to change in the future, primarily due to changes in the amount of light reaching places on the earth and the composition of the atmosphere. The burning of fossil fuels in the last century has increased the amount of greenhouse gases in the atmosphere, which has contributed to Earth's warming.
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Human activities, such as reducing the amount of forest cover, increasing the amount and variety of chemicals released into the atmosphere, and intensive farming, have changed the earth's land, oceans, and atmosphere. Some of these changes have decreased the capacity of the environment to support some life forms.
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Notes From Our Reviewers The CLEAN collection is hand-picked and rigorously reviewed for scientific accuracy and classroom effectiveness. Read what our review team had to say about this resource below or learn more about how CLEAN reviews teaching materials
Teaching Tips | Science | Pedagogy | Technical Details

Teaching Tips

  • Teachers will need to consider if the students need more information than is provided in this simplified video.

About the Science

  • The animation showing the interaction between solar irradiance and greenhouse gases is not correct. When educators use this animation, they should explain how the actual situation is more complex.
  • The difference between contemporary and fossil fuel sources of carbon dioxide is due to differences in the carbon isotopes involved. This is a physical property and not a chemical one.
  • The link between carbon dioxide concentrations and temperature is not explained. The correlation is left to suggest causation.
  • Comments from expert scientist: The revised video presents a very relevant theme and that causes enormous confusion in the general public. In this sense, it is helpful and can be easily understood by the lay public.

About the Pedagogy

  • The animations are playful and direct; they are quite approachable for young audiences.

Technical Details/Ease of Use

  • Suitable for classroom projection. It can be viewed online or downloaded.
  • The video is on vimeo.com and this could this be a problem in some schools.

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