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This video shows the UV Index or strength of ultraviolet radiation received at the surface of the Earth during each month of the year. The UV Index varies with seasons, the sun's angle, clouds, air pollution and land elevation. ClimateBits videos... (View More)

Audience: Informal education
Materials Cost: Free

This video features NASA scientist Claire Parkinson explaining atmospheric carbon dioxide levels seen in measurements collected at the Mauna Loa observatory since 1958 and recent global model output. The seasonal cycle of plants on land and in the... (View More)

This video explains El Niño and its impact on the marine food web. Wind-driven upwelling in the eastern equatorial Pacific normally lifts nutrients to the sunlit surface to fertilize phytoplankton blooms. El Niño disrupts this pattern, causing... (View More)

The effects of climate change on marmots in Colorado and sheep in Scotland are presented and compared. The Climate Kids website is a NASA education resource featuring articles, videos, images and games focused on the science of climate change.

Keywords: Global warming
Audience: Informal education
Materials Cost: Free
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