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Flick/Kars Alfrink

Dogs Now Ride for Free on the Madrid Metro

Not all European subway systems are so generous to the four-legged.

Flickr/Thorsten Krienke

Even Silent Discos Are Too Loud for This Swiss City

Lausanne, the party capital of Switzerland, turns it down.

U.S. DOT

A Bold Transportation Plan for Urban America—Dead on Arrival

The DOT’s $98 billion 2017 budget has a lot to recommend it, and virtually no chance of approval.

Inside Hyperloop's Lab

A reality-based tour of California’s most fantastical infrastructure concept.

AP Photo/Markus Schreiber, File

Masked Attackers Have Smashed Nearly 50 Cars in Berlin

They’re claiming the act as a protest against gentrification.

Alex Brylov/Shutterstock.com

Climate Change Might Lengthen Transatlantic Flights

A scientist says global warming could trigger delays and extend Europe-to-America journeys.

NOAA

The Rainfall of 20 El Niños, in 1 Big Graphic

The seasonal drenching shows a big geographical consistency … until it doesn’t.

Placemeter

Watch New Yorkers Hurry Across Union Square in Real-Time

Placemeter’s live map tracks pedestrian and bike activity in one of the city’s busy intersections.

Colas / Joachim Bertrand

Coming Soon to France: Hundreds of Miles of Solar-Powered Roads

Thin panels installed on existing roads could be used to power streetlights and homes within five years.

AP/Gerry Broome

North Carolina's Tainted 2016 Primary Election

A federal court has ruled the state’s racially gerrymandered congressional map unconstitutional. Whatever happens now, voters are likely to lose.

AP Photo/Matt Slocum

How 311 Apps Make Winter a Bit More Bearable

In Philadelphia, residents can request on-demand plowing and salting after snowfalls.

Harris & Ewing/Library of Congress

The Long, Ugly History of the Politics of Lead Poisoning

Or, why the longest-lasting childhood epidemic in U.S. history wasn’t ever treated like one.

Bobby Yip / REUTERS

Hong Kong's 'Fishball Revolution' Is About More Than Street Food

Violence between protesters and police appears to be borne out of a deep-seated mistrust.

AP Photo/Mel Evans

Snow Removal With Wheelchair Users in Mind

A lack of citizen awareness, not to mention accountability, can leave some residents stuck in their homes much longer than others.

Marco Raaphorst / Flickr

Toward a Stronger Theory of NIMBYism

A more sound understanding of local obstructionism could be the first step to diminishing it.

Reuters / Jacky Naegelen

To Fight Climate Change, We Need to Go Beyond Burying Fossil Fuels

The latest environmental rallying cry—“Keep It in the Ground”—will help stop pollution. But that policy’s effect on carbon emissions isn’t as clear.

Flick/Mantas Volungevicius

Rating Europe's Most and Least Happy Cities

Start packing your bags for Oslo.

Tom Libby, Kaushik Jayaram & Pauline Jennings / PolyPEDAL Lab / UC Berkeley

Why You Can't Keep Cockroaches Out of Your Home

The insects are miniature transformers that can compress to half their size and still run really fast.