The climate crisis is one of the greatest and most complex challenges facing humanity in the 21st century. Although warning signs have been emerging for some time, the pace and scale of change have become alarming in recent years, affecting all continents, ecosystems and communities. Recent scientific reports, in particular those of the Intergovernmental Panel on Climate Change (IPCC), show that time for decisive action is limited, and the consequences of inaction will be catastrophic. • What