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.
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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.
The animations are playful and direct; they are quite approachable for young audiences.
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.
Teachers will need to consider if the students need more information than is provided in this simplified video.