The World is Watching Cities, Now More than Ever
COP21 brought cities into the spotlight. C40 is proud to help shine that light a little brighter. Because cities and mayors are acting now, and we're right beside them as they become necessary leaders in this vital cause.Watch the mayors of Bogotá, C

Since 2008, Chicago has been implementing a series of strategies in its Climate Action Plan – an initiative that seeks to reduce the city’s greenhouse gas emissions by 80% below 1990 levels – and in 2019 committed to running the city on 100% renewable energy by 2040.

The Intergovernmental Panel on Climate Change has published a report on climate change and the impact it has on remote low lying Pacific Island communities. The Marshall Islands is made up of 29 low lying coral atolls and they are disappearing.

In this video, FlackCheck.org reviews some of the false and misleading claims about climate change that we have written about for FactCheck.org’s SciCheck feature. The topics covered include: “global cooling,” glacier growth in Alaska, the impact of human activity on climate change, the connection b

Countries from around the world will meet in a few weeks to try to reach agreement on limiting greenhouse gasses. Previous climate summits have been fraught with disagreement. Will the Paris meeting produce results? Jeffrey Brown speaks to UN climate chief Christiana Figueres about what to expect.

MSNBC Films presents “From Devil’s Breath,” from Academy Award winning director Orlando von Einsiedel and producer Leonardo DiCaprio. The film, part of the documentary series “The Turning Point,” executive produced by Trevor Noah, zeroes in on a devastating wildfire in Portugal in 2017, the toll it

Journalist Dahr Jamail & Professor Peter Wadhams say the resulting release of methane will lead to massive climate disruption, and that we have reached a point of no return.

The global conservation movement has reached a turning point. We have documented the fast pace of habitat loss, the growing number of endangered and extinct species, and the increasing speed of global climate change.

Yet while the seriousness of these threats cannot be denied,

President Obama delivers remarks at COP21 in Paris on the global community's need to address the threat of climate change. November 30, 2015.

Katharine Hayhoe, a co-author of the current Assessment (November, 2018) and director of the Climate Science Center at Texas Tech University, said in a Friday tweet that the White House’s claim is “demonstrably false.” The 1,600-page report, which was issued by 13 federal agencies and authored by