The coronavirus must have many consequences: In the short term, we need to flatten the curve, so that our health system is not overburdened. We must take care of the sick and prevent vulnerable groups from becoming infected. In the longer term, we will have to rethink the rules of reality. Klaus Töpfer Sustainability Fellow Nicole de Paula describes in a new IASS Discussion Paper how, despite all the sadness, fear, bewilderment and frustration generated by the pandemic, it could paradoxically promote planetary health.