Can a Hashtag Inspire People to Keep Their Communities Clean?
The #trashtag challenge inspired people to clean up beaches, parks, rivers, or just random trash strewn on the street.
Linda Poon
Linda Poon is an assistant editor at CityLab covering science and urban technology, including smart cities and climate change. She previously covered global health and development for NPR's Goats and Soda blog.
The Drastic Steps Irvine, California, Took to Reduce Ozone-Depleting Chemicals
The small city set a new national precedent in the fight against chlorofluorocarbons, or CFCs, which caused major danger to the atmosphere.
Another Consequence of Climate Change: More Disease-Spreading Mosquitoes
As severe storms become more frequent and temperatures rise, public-health experts are concerned about the increased potential for transmission of vector-born illnesses like Zika and West Nile.
Can Uber and Lyft Move Cities Toward a More Sustainable Future?
Both companies have made big commitments to prove their eco-friendliness, but there's still debate over whether they will put the environment ahead of their bottom lines.
To Curb Carbon Emissions, Cities Need More Efficient Buildings
Buildings account for roughly 50 percent of a city's total carbon emissions, and 70 percent in major cities like London, Los Angeles, and Paris.
Finding Community in the World's 'Smartest City'
In South Korea's high-tech metropolis, human connections are few and far between.
Does Light Pollution Increase the Spread of Disease?
Many issues are exacerbated by light pollution, and new research suggests the spread of West Nile virus may be another one.
L.A. Is Testing a New, Communal Approach to Fighting Homelessness
Residents can get up to $75,000 to build a "granny flat"—if they open it up to a homeless family.