The World Health Organisation (WHO) supports that even if vaccines are found, COVID-19 may never go away. ‘Post-virus’ recovery mechanisms suddenly become out-of-place and obsolete. If we wait for the coronavirus crisis to be over to tackle climate change, then many of us may be swimming in deep waters. Coordinated and immediate actions, coupled with planetary-scale cooperation, to tackle both crises in parallel is now needed. For cities, this means adopting mechanisms that enable both economic recovery and sustainable transitions.