Book excerpt: This edited volume, the second of a two-volume set, presents science curriculum exemplars based on existing and future curriculum models. Drawing upon complexity and systems theories, this book will provide a framework for science curriculum that tackles and transforms the interrelated and socio-ecological causes of our ecological crises. The result is a refreshing and hopeful look at K-12 science curriculum in light of our current global trajectory in the twenty-first century. Chapter Future-oriented Science Education Building Sustainability Competences: An Approach to the European GreenComp Framework is available open access under a Creative Commons Attribution 4.0 International License via link.springer.com.