This lesson from PBS.org will explore the interdependence of organisms in an ecosystem, identify what some private citizens are doing to protect endangered turtles, and discuss whether or not humans have an obligation to help endangered species. Click here for the lesson plan.
Up Next...
Environmentally Friendly Projects for a "Greener" Backyard
If you’re looking for a fun and ecofriendly project to try at home, look no further than your own backyard.
Photo of the Month: March 2026
Above: On our first day in the Galápagos, we unloaded the luggage and immediately headed out to photograph penguins. I had no idea there would be so many!
Great Animal Migrations of the World
When we picture migrations in North America, often we think of songbirds heading south for the winter. But there are lots of other animals that make seasonal treks on a large scale.
Want to hear about upcoming trips?
Sign up for our newsletter and get the latest updates on upcoming trips, deals, and more.
