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.

Over the next four years, Saudi Arabia is set to spend a whopping $500 billion dollars to build a futuristic city, 17 times bigger than London and 33 times bigger than New York City. The goal is to build an innovation hub and tourist destination to lead the world in smart city technology and clean e

Climate Change is a Reality!

The future of sea travel could be here -- and it just might help save the planet. A hydrogen-powered ferry that produces zero emissions will soon launch in the San Francisco bay.

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

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,...

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.

United Nations chief Antonio Guterres says a major new report on climate change is a "survival guide for humanity". Clean energy and technology can be exploited to avoid the growing climate disaster, the report says. But at a meeting in Switzerland to agree their findings, climate scientists warne...

16 climate activists teens and children are petitioning the United Nations with claims that the boy is violating children's rights by not taking action on climate change and global warming. Global climate strike leader Greta Thunberg is among the activists taking climate action against the UN. Thunb...

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.