It can provide a wider choice of green products such as energy saving appliances, e-vehicles, and sustainable building materials. Government departments can be mandated to purchase such products, and the aggregation of demand can nudge manufacturers to reduce the carbon footprint of their products and seek green certification. By Jagan Shah

Getting more clean cars on the road would also save tens of thousands of lives annually by reducing air pollution. Chinese transportation officials have no reason to hold back and should set more ambitious targets for electric vehicles. By Chris Busch

As the planet heats, food security is weakening and the threat of hunger is growing. By Corey Lesk and Kai Kornhuber

Rising heat and more frequent floods will require spending on a range of resilience-building measures for people’s health and livelihoods, as well as infrastructure for water, power, communication, bridges, roads, and railways. By Indu Murthy and Vidya S