What Would It Take to Run a City on 100 Percent Clean Energy?

What Would It Take to Run a City on 100 Percent Clean Energy?

That means even a 100 percent renewable town might, from time to time, be sourcing its electricity from fossil fuels.

Turns Out, Traffic Spreads Like the Coronavirus

Turns Out, Traffic Spreads Like the Coronavirus

One way to characterize the spread of a disease like Covid-19 is known as a susceptible-infected-recovered model.

Cities Race to Slow Climate Change—and Improve Life for All

Cities Race to Slow Climate Change—and Improve Life for All

These mayors are members of C40, a network of 94 large cities—Paris, Los Angeles, Shanghai, Lagos, to name a few—committed to meeting the goals of the Paris Agreement of limiting global warming to 1.5 degrees Celsius over preindustrial levels and reducing global greenhouse gas emissions by 50 percent by 2030.That declaration didn’t just reaffirm these cities’ efforts to fight climate change .

Pete Buttigieg Revived South Bend With Tech. Up Next: America

Pete Buttigieg Revived South Bend With Tech. Up Next: America

Part of the old Studebaker site is now home to a data-storage and analytics firm; Buttigieg invested city dollars in transforming its largest factory—the prosaically named edifice known as Building 84—into 800,000 square feet of offices where tech and biotech companies are now headquartered.

The Pink Transit Tax: Women Spend More Than Men to Get Around NYC

The Pink Transit Tax: Women Spend More Than Men to Get Around NYC

“It got me thinking about the day-to-day issues that women face in major cities.”The survey suggests that those experiences on public transit led to many women to make a different set of transportation choices from those made by men.

The Terrifying Science Behind California’s Massive Camp Fire

The Terrifying Science Behind California’s Massive Camp Fire

“We have a weather event, in this case a downslope windstorm, where, as opposed to the normal westerly winds, we get easterly winds that are cascading off the crest of the Sierra Nevada,” says Neil Lareau, an atmospheric scientist at the University of Nevada, Reno.A windstorm barreling from the east just set the stage for this week's burning disaster.

Emissions Have Already Peaked in 27 Cities—And Keep Falling

Emissions Have Already Peaked in 27 Cities—And Keep Falling

The next year might be lower, but that doesn’t mean the trend will continue in the years that follow.What C40 found was that 27 of their member cities have hit that mark, meaning all sorts of initiatives—be they investment in public transport or renewable energy or green building practices—have been working.But the economies!