“We hold the future in our hands, together, we must ensure that our grandchildren will not have to ask why we failed to do the right thing, and let them suffer the consequences.” UN Secretary-General Ban Ki-moon, 2007

In order to understand Education for Sustainable Development (ESD), one needs to understand sustainable development. After all, the UN Decade of Education for Sustainable Development is about engaging the world’s educational systems to work for a more sustainable future. However, we need to envision a more sustainable world before we work towards creating it.