More Bike Lanes Could Save up to 10,000 Lives a Year in Europe

A study of 167 European cities lays out the positive effects—and limits—of investing in more cycling infrastructure.

The Lincoln Memorial is pictured during the 2013 government shutdown.

Trump Administration Plans to Keep National Parks Open in a Shutdown

The move is designed not only to reduce inconvenience to travelers, but also to reduce Democrats’ political leverage in the showdown on Capitol Hill.

How Portland Is Sourcing Hydropower From Its Drinking Water

The method has little environmental impact and uses existing infrastructure. So why isn’t it more popular?

In San Juan, Puerto Rico, recovery from Hurricane Maria has been uneven.

Disaster Resilience Saves Six Times as Much as It Costs

A new report finds that federal disaster-mitigation grants produce an average of $6 in societal savings for every dollar spent.

Former Michigan State Representative Rashida Tlaib had samples of petcoke dust tested for toxicity.

How Detroit Beat 'Fugitive Dust'

Over industry objections, the city passed a new set of environmental regulations when residents complained about clouds of black petroleum-byproduct dust.

Why New York City Is Getting Its Money Out of Fossil Fuels

The move to divest funds from fossil fuel interests in resistance to climate change has been slowly building. With New York City joining the effort, there's a new multi-billion-dollar signal.

Boulders block a road after a mudslide in Montecito, California.

With the Highway Blocked, California Commuters Take to the Sea

Mudslides have closed US 101 above Los Angeles, so tourist boats are offering an ad-hoc ferry service between Ventura and Santa Barbara.

How Baltimore's Water Cleanup Infrastructure Became a Public Sensation

Baltimore addressed its trash problem in its Inner Harbor with a floating water wheel. But it got public buy-in by giving it a personality.

Britain's Next Megaproject: A Coast-to-Coast Forest

The plan is for 50 million new trees to repopulate one of the least wooded parts of the country—and offer a natural escape from several cities in the north.

Why Environmentalists Are Poking Holes in Pittsburgh's Climate Action Plan

Mayor Bill Peduto still has a June 1 tweet pinned to the top of his Twitter page: “As the Mayor of Pittsburgh, I can assure you that we will follow the guidelines of the Paris Agreement.” But how can the city deliver on that promise?

The Safe Way to Ride Your Bike in Winter

Want to keep cycling when it’s icy? Here are some practical tips.

How To Survive a Bomb Cyclone

Don’t get frozen in action when the cold snap hits, East Coast.

What Might Hold Houston Back

The post-Harvey city needs to get denser and more urban.

Madrid Prepares for Its Greenest Year Yet

Spain’s capital makes a big push for better air quality.

Downtown Austin, Texas

Missing From Amazon's HQ2 Search: Climate

Amazon made no mention of climate change in its HQ2 request for proposals, and most of the public city bids don’t address it, either.

A busy shopping mall on Black Friday

The Backlash Against Piped Music

This holiday season, groups in Michigan and the UK are asking for fewer jingle bells, more silent nights in public spaces.

Richie Fredell, 38, a paramedic, looks at the remains of his childhood home in Ventura, California, on December 8, 2017.

Learning to Live With Wildfire Smoke in the West

As larger and more destructive wildfires become the new normal, cities will need to deal with the public health impacts.

The Los Angeles and Century City skyline partially obscured through smog

L.A.'s Air Pollution May Be Harming Teen Brains

A new study from the University of Southern California suggests a link between air pollution and adolescent delinquency.

When Density Isn't Greener

A new study challenges some widely held assumptions about urban and suburban development.

A row of sinks at Tacoma's Stability Site

Running Water Can Ease the Effects of Homelessness

Tacoma, Washington, found that giving homeless people access to running water improves their comfort, dignity, and health, while reducing local pollution.