National Academy of Sciences
Mitigation Simulator
The United States has more per capita emissions than any other country in the world. An eye-opening simulation encourages users to explore environmental goals and factors that affect climate change by balancing different priorities....
DocsTeach
Environmental Case Study: Hetch Hetchy Valley
What is more important: building a new school or preserving a nature reserve? Keeping a natural area clean or providing clean drinking water to a city of millions? Young scholars weigh these questions—almost literally—using an...