Cities around the world are pledging to reduce waste over the next 12 years in an effort to curb global warming and eventually become zero-waste cities. During the Global Climate Action Summit,...

The world's most iconic skylines are going green. Nineteen city leaders from the C40 coalition signed the Net Zero Carbon Buildings Declaration on Thursday to ensure all new buildings operate with a...

Harri Nieminen decided it was time to replace his car with an app. He had owned a car in Helsinki for the past nine years but recently found he’d lost the patience for...

Starbucks will eliminate plastic straws from its stores globally by 2020, in a nod to the growing push for businesses to be more environmentally friendly. The Seattle-based company said on Monday it will...

Vancouver has become the first major Canadian city to adopt a ban on a range of single-use plastics.Starting June 1, 2019, the distribution of plastic drinking straws and polystyrene foam cups and...

On Monday, the mayors of London, Paris, Los Angeles, Copenhagen, Barcelona, Quito, Vancouver, Mexico City, Milan, Seattle, Auckland and Cape Town committed to a series of ambitious targets to make their cities...

The sheer number of people who live in cities now and who are expected to move into them in the coming years is startling. Around two-thirds of the world's population is predicted...

Cities dominate energy demand, and by extension are responsible for a significant share of carbon emissions. In 2013, the world’s urban areas accounted for about 64% of global primary energy use and...