Matthew E. Kahn, USC Dornsife College of Letters, Arts and Sciences
Human behaviors shift. Policies change. New technology arrives and evolves. All those changes and more are hard to predict, and they affect tomorrow’s costs.
An artist’s rendering of a solar canal.
Robin Raj, Citizen Group & Solar Aquagrid
Covering the state’s canals with solar panels would reduce evaporation of precious water and help meet renewable energy goals – all while saving money.
Guy Stewart Callendar connected carbon dioxide concentrations with rising temperatures.
GS Callendar Archive, University of East Anglia
Urban gardens, parks and green walls are crucial ways to tackle flash floods and city heat. But new global research finds its effectiveness varies from city to city.
A young woman in Melbourne in December 2021.
Con Chronis/AAP
These are poignant cries of a disappearing landscape – the creaking calls of gang-gangs, buzzing bowerbirds and the mournful cry of the far eastern curlew.
As temperatures warm, ski and snowboard resorts are investing more in snowmaking and seeing their seasons shrink. Those costs roll down to customers in an already expensive sport.
Environmental footprint calculators may promise to help consumers lead a greener life. But they may in fact encourage choices that don’t benefit – or even harm – the environment.
Such a dramatic rise in extreme heat days is not inevitable. If global warming is limited to 1.5°C this century, Western Sydney will have fewer than 17 days of 35°C per year.
Tidal flooding is creeping farther into coastal towns like Alexandria, Virginia.
Matt McClain/The Washington Post via Getty Images