NASA
Nasa: Climate Time Machine
Travel through time and explore how the changing climate has affected sea ice, sea level, carbon dioxide levels, and global temperatures. Also, decide whether or not you would be affected if the sea level rose due to warmer temperatures...
PBS
Pbs Learning Media: Link Between Arctic Sea Ice and Solar Radiation Absorbed
The Arctic plays an important role in regulating Earth's climate. The region reflects much of the Sun's energy and helps keep the planet cool. Data collected by NASA have revealed that sea ice in the Arctic has steadily declined over the...
PBS
Pbs Learning Media: Arctic Ice Reaches 2015 Minimum Extent
NASA's Scientific Visualization Studio uses data from several sources to track seasonal changes in Arctic sea ice and land cover over time. Scientists study sea ice because it influences global climate. Watch the following visualization...
PBS
Pbs Learning Media: Arctic Ice Extent, 1999 2016
Scientists study sea ice extent closely because it influences global climate. Follow the decline in Arctic sea ice in this animation adapted from NASA showing the yearly maximum and minimum sea ice extents from 1999 to 2016. Resources...
BBC
Bbc News: An Animated Journey Through the Earth's Climate History
A narrated journey through the last 800,000 years of the Earth's climate, accompanied by images and graphs. A text-only version is also available. (Published 3 Dec. 2009)
NASA
Nasa: Climate Time Machine
Take a trip in a "time machine" to see a series of pictures that show the how the climate of Earth has been changing. The indicators shown are: sea ice, sea level, carbon dioxide, and global temperature.
NPR: National Public Radio
Npr: Greenland: Ice on the Move
NPR offers a photographic slide show on the status of Greenland's ice glaciers as they start to melt and the consequences of the melting for the future.
PBS
Pbs Learning Media: Greenland Mass Variation Since 2002
Scientists study ice sheets because they influence weather and climate, playing a role in atmospheric and ocean circulation. Ice sheets can also have huge impacts on global sea levels because they store so much water. Explore this...
PBS
Pbs Learning Media: What's Up With the Weather: Graphs
Examine this graph from FRONTLINE/NOVA: "What's Up with the Weather?" Web site to see dramatic increases in three greenhouse gases over the last two hundred years.