There is no evidence of a direct causal link between climate change and the emergence and lethality of COVID-19, but climate change is a pandemic enabler and accelerant.
Human activities have caused climate change with devastating environmental and social consequences. Now, the evidence is growing that many of these same activities are also responsible for the surge in zoonoses, such as the SARS-CoV-2 virus. Zoonoses are diseases that naturally transmit between vertebrate animals and humans.