Weather warning
A Harvard researcher is pointing toward a new reason to worry about the effects of climate change — national security. A new report co-authored by Michael McElroy, the Gilbert Butler Professor of Environmental Studies, and D. James Baker, a former administrator of the National Oceanic and Atmospheric Administration, connects global climate change, extreme weather, and national security. During the next decade, the report concludes, climate change could have wide-reaching effects on everything from food, water, and energy supplies to critical infrastructure and economic security. “Over the last century, the trend has been toward urbanization — to concentrate people in smaller areas,” McElroy said. “We’ve built an infrastructure — whether it’s where we build our homes or where we put our roads and bridges — that fits with that trend. If the weather pattern suddenly changes in a serious way, it could create very large problems. Bridges may be in the wrong place,...