The History of Heat Waves Reveals the Urgency of Adaptation
March 21st, 2025
Via Harvard’s Salata Institute, a report on the relationship between humans and heat continues to change. Heat waves, once simply a natural phenomenon, are now a symptom of urbanization and global warming. As the equinox approaches and the sun rises higher in the sky, people throughout the northern hemisphere wonder: How hot will it get? […]
Read more »Flood and Drought Risk Increasing In Cities
March 18th, 2025
Via BBC, a look at the growing water-related risks facing cities: The world’s 100 most populated cities are becoming increasingly exposed to flooding and drought, according to new research. Charity WaterAid worked with the University of Bristol and Cardiff University on a study using data on climate hazards. The research found that 17% of the […]
Read more »Why Sizzling Cities Are Mapping Hot Spots Street-By-Street
March 6th, 2025
Via Knowable, a report on how – in metros like Reno, Nevada – citizen scientists hit the road to collect detailed temperature data — key to taming urban heat, saving lives and designing for a cooler future: The city of Reno, Nevada, is breaking records in ways it doesn’t like: A 2024 analysis of 241 […]
Read more »El Paso Is Going to Turn Wastewater Into Drinking Water. Other Cities Will Soon Follow
March 3rd, 2025
Via Inside Climate News, a report on El Paso breaking ground on the first U.S. facility that will treat wastewater for direct re-use in a city water supply, using a four-step process to transform wastewater into clean, potable drinking water. This desert city gets less than nine inches of rain a year and experienced the two […]
Read more »The Sea Is Swallowing An African Island
March 3rd, 2025
Via The Economist, a look at how Sierra Leone is finding that adjusting to a warmer climate is getting harder: Standing on the shores of Nyangai, a small island off the coast of Sierra Leone, Melvin Kargbo points to his old football field, now below an expanse of seawater. Never large, Nyangai has shrunk from around […]
Read more »Reforesting the Elm City
March 3rd, 2025
Via Yale Alumni Magazine, an article on an initiative planting thousands of trees to make New Haven a cooler city: At first, planting street trees in New Haven was nothing more than a job for William “The Muscle” Tisdale. “I never paid too much attention to trees,” he says. He appreciated steady work with Yale’s […]
Read more »'Black Swans' are highly improbable events that come as a surprise, have major disruptive effects, and that are often rationalized after the fact as if they had been predictable to begin with. In our rapidly warming world, such events are occurring ever more frequently and include wildfires, floods, extreme heat, and drought.
'Green Shoots' is a term used to describe signs of economic recovery or positive data during a downturn. It references a period of growth and recovery, when plants start to show signs of health and life, and, therefore, has been employed as a metaphor for a recovering economy.
It is my hope that Black Swans / Green Shoots will help readers understand both climate-activated risk and opportunity so that you may invest in, advise, or lead organizations in the context of increasing pressures of global urbanization, resource scarcity, and perils relating to climate change. I believe that the tools of business and finance can help individuals, businesses, and global society make informed choices about who and what to protect, and I hope that this blog provides some insight into the policy and private sector tools used to assess investments in resilient reinforcement, response, or recovery.