Healing Earth is a free, online environmental science textbook for upper level secondary school students, beginning college students, and adult learners. Teachers around the world can use it in their classrooms and share their experience with others. Healing Earth is an ongoing project, so everyone--teachers, young students, adult learners--can join in creating it.

Healing Earth presents a unique approach to six major ecological challenges of our time: 

1. declining biodiversity
2. natural resource depletion
3. shift to renewable energy
4. water quality and availability
5. food quality and availability
6. global climate change

Healing Earth presents an integrated, global, and living approach to the ecological challenges we face on our extraordinary planet.