The CIA World Factbook provides this excellent resource on Argentina. The content includes geography, people, government, economy, communications, transportation, military and transnational issues.

The CIA World Factbook provides detailed information on Bolivia. The content includes geography, people, government, economy, communications, transportation, military and transnational issues.

This excellent resource from the CIA contains the following sections of information about Cameroon: geography, people, government, economy, communications, transportation, military, and transnational issues.

The CIA World Factbook provides an extensive page of information on Ecuador, a neighbor to Colombia. Includes information on this country's economy, climate, geographical location, government, size, and much more.

This resource from the CIA World Factbook provides a detailed fact sheet of Jordan. The content covers the country's geography, people, government, economy, communications, transportation, military, and transnational issues. It includes images of maps and the flag, as well as photos of the country.

This resource from the CIA World Factbook provides a detailed fact sheet of Pakistan. The content covers the country's geography, people, government, economy, communications, transportation, military, and transnational issues. It includes images of maps and the flag, as well as photos of the country.

This resource from the CIA World Factbook provides a detailed fact sheet of Tajikistan. The content covers the country's geography, people, government, economy, communications, transportation, military, and transnational issues. It includes images of maps and the flag of the country.

Students construct three-dimensional models of water catchment basins using everyday objects to form hills, mountains, valleys and water sources. They experiment to see where rain travels and collects, and survey water pathways to see how they can be altered by natural and human activities. Students discuss how engineers design structures that impact water collection, as well as systems that clean and distribute water.

In this nonfiction story, young readers and listeners learn how scientists use cross sections from trees to reconstruct past climates. Versions are provided for readers at two levels, k-2 and 3-5, and in text-only and illustrated formats. The story is also available as an electronic book with recorded narration. An original story is a regular feature of each issue of the free, online magazine Beyond Weather and the Water Cycle. The story can be used in science and literacy lessons and activities throughout the magazine.

In this video segment adapted from NOVA, find out how cars made of a material stronger than steel and half the weight can help combat climate change.

In this video adapted from the Arctic Athabaskan Council, learn how warmer temperatures in the Arctic are transforming the landscape, triggering a host of effects such as permafrost thawing and insect infestations.

In this video produced for Teachers' Domain, learn about MIT professor Cathy Drennan's research into microorganisms that remove carbon dioxide, a greenhouse gas, from the atmosphere.

This article continues an examination of each of the seven essential principles of climate literacy on which the online magazine Beyond Weather and the Water Cycle is structured. Principle 2 covers the complex interactions among the components of the Earth system. The author discusses the scientific concepts underlying the interactions and expands the discussion with diagrams, photos, and online resources.

This video adapted from KTOO takes a look at Earth's warming and cooling cycles and the current atypical trend of warming that is impacting the glaciers in Alaska's Inside Passage.

This video [0:25] adapted from KTOO takes a look at Earth's warming and cooling cycles and the current atypical trend of warming that is impacting the glaciers in Alaska's Inside Passage.

This article features children's literature about weather, climate, and climate change. What���s the difference between weather and climate? How do scientists observe, measure, and predict weather phenomena? How is Earth���s climate changing, and why? This month���s bookshelf will help students develop a solid grasp of weather-related concepts. It will also introduce students to global warming and climate change and inspire them to do what they can to combat the problem.

Learn how a family farm in Wisconsin functions and how it is impacted by climate change in this multimedia video produced by the Wisconsin Educational Communications Board.

In this video segment adapted from NOVA: Becoming Human, learn how the analysis of rock layers and ocean sediments supports the theory that rapid climate change may have jump-started human evolution two million years ago.

Learn about cloud formations over the Sierra Nevada Mountains in this video from Nature. [1:33]

Learn about cloud formations over the Sierra Nevada Mountains in this video from Nature.