cover story Protecting our children's and grandchildren's planet BY PETER G. LURIE, MD I n early September of 2021 more than 230 health and medical journals worldwide simultaneously published the same editorial. Its title: " Call for emergency action to limit global temperature increases, restore biodiversity, and protect health. " The editorial was blunt. " The science is unequivocal; a global increase of 1.5°C degrees centigrade above the pre-industrial average and the continued loss of biodiversity risk catastrophic harm to health that will be impossible to reverse. " 18 GRAND Winter 2022 Continued on next page