World leaders will soon gather in New York City for a summit on an urgent challenge that affects every aspect of our lives, from the economy to jobs, security and migration and our health. It is, of course, the climate crisis. The tens of thousands of fires recently afflicting the ...

A city without buildings is simply not a city. And yet when it comes to climate action, buildings tend to take a back seat to transport, energy production and industry. Making buildings more energy-efficient is the cheapest way to reduce ...

Urban flooding is a major and growing concern. Japan experienced floods and mudslides that killed more than 120 people last year. The Indian state of Kerala witnessed a 100-year flood that swamped several metropolitan areas. And a recent report from the Intergovernmental Panel on ...

As 21st century cities continue to grow, their capacities to adapt, learn and transform need to increase as well, especially in vulnerable neighborhoods. Cities are key players in the global movement to address the threats posed by climate change. Cities ...

Climate change affects poor and marginalized communities first and hardest. These effects are happening now – not in a far-fetched future. Particularly in cities, a lack of access to basic services, a long history of unsustainable urban development, and political ...

Bold action on climate change could deliver $26 trillion in cumulative economic benefits by 2030, according to a new report by the New Climate Economy (NCE). Without immediate action to cut emissions, the costs of “runaway” climate change will be severe: ...