PBS
Pbs Learning Media: Documenting Glacial Change
This collection of comparative glacier images adapted from the National Snow and Ice Data Center shows substantial changes in five Alaskan glacier positions over periods of 60 to 100 years.
BBC
Bbc News: In Pictures: How the World Is Changing
View and read about climate change by comparing two images of the same location at different times.
NASA
Nasa Earth Observatory: Polar Paradox
In this article about global warming, learn how the warming climate could affect the polar ice caps, glaciers, sea ice, and amount of freshwater entering the polar oceans. Read how some scientists believe global warming could add to...
Curated OER
Bbc News: In Pictures: How the World Is Changing
View and read about climate change by comparing two images of the same location at different times.