An engaging and informative interactive tool that allows students to explore many connected factors in air, land, and oceans systems. There are links to videos, visulas, other web resources, and descriptive information. Concept maps are included for each factor. This is rich and engaging.

Free spatial tool for easy mapping projects with students.

Global Climate Change: NASA's Eyes on the Earth. Current news and data streams about global warming and climate change from NASA's Jet Propulsion Laboratory.

PBS short Video of an ingenious community water pump project in Africa- The Play Pump

Human Footprint reveals the lifetime consumption of an average American including the resources needed to produce, package and transport everything consumed.