U.S. population from its founding in 1790, to present, and projected U.S. growth through 2050.
Line graph displays the number of immigrants to the U.S. by home region over time.
64,000 educators trained
32,000 workshops conducted
"The activities not only bring out important content, but they also provide real-world context for environmental, population and sustainability issues. They engage participants in very thought-provoking and critical-thinking discussions.”Helen de la Maza, Environmental Educator, Irvine, CA