Many coastal US cities are contending with increasingly frequent and severe tidal flooding as sea levels rise. Some are considering building seawalls, but this strategy is not simple or cheap.

A bipartisan group of senators proposed the gas tax should be indexed to inflation to help pay for new infrastructure spending, an approach Biden calls 'regressive.'

Here’s how reflective pavement works and what cities need to think about.

Abandoned US oil and gas wells and their associated land cover more than 2 million acres, a recent study estimates – an area larger than Delaware and Rhode Island combined.

Electric cars offer benefits for low-income and minority drivers, including cleaner air and lower maintenance costs. But it will take more than rebates on new models to make EVs accessible for all.

Fragmented authority for national cyber defense and the vulnerabilities of private companies that control software and infrastructure stack the deck against US cybersecurity.

New research finds that tap water avoidance is on the rise in the US, especially among minorities. An expert on water and health calls for better public education about water quality and testing.

The US electricity grid is actually five regional grids, and it's hard to share power between them. A macrogrid could bridge the gaps, making electricity cheaper and more reliable.