Disaster season is upon us. The pandemic changes everything.

Irwin Redlener, a pediatrician, directs the National Center for Disaster Preparedness at the Earth Institute at Columbia University; he is also a professor at Columbia’s Mailman School of Public Health and president emeritus of Children’s Health Fund.

It is already clear that 2020 be a year for the history books. The world has lurched from one mega-disaster to the next, witnessing devastating wildfires in Australia, plagues of locusts across East Africa and South Asia, and a pandemic that has crippled the global economy.