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 ...

Michael Fishbach narrates his encounter with a humpback whale entangled in a fishing net. Gershon Cohen and he have founded The Great Whale Conservancy to help and protect whales.

Great Lifetime Achievement by two US climbers who spent more than two weeks scaling the sheer face of El Capitan in Yosemite National Park, finally reached the summit of the 3,000ft (914 m) rock on January 14, 2015 establishing a record in this sport.

Copenhagen has announced ambitious plans to become the world’s first carbon-neutral capital by 2025. This is how they plan to achieve their goal. For more information on The B1M: http://ow.ly/GxW7y

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.

Data has surpassed oil as the world’s most valuable asset. It’s being weaponized to wage cultural and political warfare. People everywhere are in a battle for control of our most intimate personal details. From award-winning filmmakers Karim Amer and Jehane Noujaim, THE GREAT HACK uncovers the dark

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

The Great Pyramid was an important religious and mythical centre in prehispanic times. Over a period of a thousand years prior to the Spanish Conquest, consecutive construction phases gradually built up the bulk of the pyramid until it became the largest in Mexico by volume. The Great Pyramid of Cho

The Great Pacific Garbage Patch is the largest accumulation of ocean plastic in the world and is located between Hawaii and California. Scientists of The Ocean Cleanup Foundation have conducted the most extensive analysis ever of this area.

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