LAWRENCE WITTNER – The world is currently engulfed in crisesâ€”most prominently, a disease pandemic, a climate catastrophe, and the prevalence of warâ€”while individual nations are encountering enormous difficulties in coping with them. These difficulties result from the global nature of the problems.
DAVID ROBERTS – Climate change policy can be overwhelming. Hereâ€™s a guide to the policies that work. A new book from veteran energy analyst Hal Harvey simplifies decarbonization.