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.

Produced by the International Geosphere-Biosphere Programme and Globaia and funded by the UN Foundation. The data visualization summarises and visualizes several of the most significant statements in the Intergovernmental Panel on Climate Change's (IPCC) recent Fifth Assessment Report, (Working Gro...

Exxon research scientists warned about the effects of fossil fuels as early as 1977. Exxon has known about climate change for almost 40 years, despite its efforts to continue to promote fossil fuels and deny its existence throughout the 1990s as a leader of the Global Climate Coalition.

It's a cautionary tale with a twist. Unless we do more to protect them, coral reefs could become extinct by 2050 due to pollution & climate change. This video was released just ahead of the landmark Copenhagen summit on climate change in order to draw attention to the plight of these fragile ecosyst...

An effort to restore mangroves is underway in Mexico's Yucatan peninsula with a group of women working to restore a vital ecosystem under threat from development and climate change.

One of the most passionate speeches of the opening day of the U.N. climate change conference in Paris was delivered by Marshall Islands President Christopher Loeak. Thousands of residents from the Marshall Islands have already fled the Pacific island state, becoming climate change refugees because o

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.

By the end of 2011 the world will have reached 7 billion people. The United Nations Population Fund is leading an innovative global campaign to bring awareness to the opportunities and challenges that this milestone presents.

The World is Watching Cities, Now More than Ever. The US withdrawal from the Paris Climate Accord brought cities into the spotlight. Because cities and mayors are acting now, and we must be right beside them as they become necessary leaders in this vital cause. As the world moves forward from Paris,...

A move towards sustainable energy is often talked about as an issue for big government, especially during the 2016 election. However, across the United States, progress is being made in biofuel, wind, and solar power at the grassroots. Atlantic national correspondent James Fallows and contributing w