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

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.

Forty world leaders are taking part in a climate change summit hosted by US President Joe Biden. Alice Hill, David M. Rubenstein Senior Fellow for Energy and the Environment at the Council on Foreign Relations, shared her thoughts on the meeting.

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.

United Nations - Statement by Mr. Leonardo DiCaprio, UN Messenger of Peace with a special focus on climate change, at the opening of the Climate Summit 2014.

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,...

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...

Mexico City is the 5th largest city in the world with population of around approximately 22 million, which classifies Mexico city as a mega city. It is situated in the The Central Mexican Plateau, at 2,240m in elevation. Mexico city is also slowly sinking at a rate of about 10 inches per year! The ...

In the old days, doctors sliced you open to examine your body. But today, with the help of powerful body imaging technology, they can look at "slices" ofyour anatomy without a scalpel. Many body imaging devices follow a principle called tomography (the 'T' in CT, PET and SPECT systems), which take i...

IPCC Fifth Assessment Report - Working Group II - Climate Change 2014: Impacts, Adaptation, and Vulnerability.