E-bike incentives are a costly way to cut carbon emissions, but they also promote health, equity and cleaner air
E-bikes have captured widespread attention across the U.S., and for good reason. They are the most
What ancient farmers can really teach us about adapting to climate change – and how political power influences success or failure
In dozens of archaeological discoveries around the world, from the once-successful reservoirs and canals
EPA has tightened its target for deadly particle pollution − states need more tools to reach it
Tens of millions of Americans, including many Texans like me, live in counties that will soon be violating air pollution particle standards for the first time. It’s not that our air is getting dirtier – it’s because the U.S. Environmental Protection
Why does a leap year have 366 days?
Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to
Why does a leap year