These graphs illustrate trends in human energy use. I am just getting going on creating a series of graphs. The first will compare major sources of generated electricity in the USA: natural gas, coal, nuclear, wind, solar and hydro. I also intend to add a graph showing total energy use in the USA (not just…
This collection features several games and puzzles from the U.S. National Oceanic and Atmospheric Administration (NOAA), the Environmental Protection Agency (EPA), and the Public Broadcasting Service (PBS). Most of the resources are related to water, the oceans, and aquatic environments.