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 ...

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

US President Barack Obama has unveiled what he called "the biggest, most important step we have ever taken" in tackling climate change. The aim of the revised Clean Power Plan is to cut greenhouse gas emissions from US power stations by nearly a third within 15 years. The measures will place signifi...

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.

Millions of people are facing a long, difficult road to recovery after Irma’s week-long deadly rampage through the Caribbean and southeastern United States.

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.

Trees curb climate change directly by removing carbon dioxide from the atmosphere. Through the process of photosynthesis, forests offset 10 to 20 percent of the country’s greenhouse gas emissions each year. Additionally, trees help protect against climate impacts such as flooding, which is getting w

From December 2001 to March 2002, McBrien coordinated the "United We Stand, United We Sew" project, in which volunteers sewed together a 20-foot by 30-foot American flag from 3,000-plus 4-inch by 6-inch American flags.
Each small flag represents a victim in the Sept. 11 attacks. There are also flag...

Venice has battled rising water levels since the fifth century. But today, the water seems to be winning. Several factors, both natural and man-made, cause Venice to flood about 100 times a year — usually from October until late winter — a phenomenon called the acqua alta.

Bridges are some of the world's most magnificent marvels of engineering, connecting cities and even countries. But bridges have also featured some of the most innovative design. According to a Transportation Research Board Special Report on the Potential Impacts of Climate Change on U.S. Transportat...