Obama's Hawaiian Marine Preserve: Massive Potential, Monumental Challenges

By Char Miller, Pomona College The endangered Hawaiian monk seal is one of the 7,000 species that gained a measure of protection.U.S. Fish and Wildlife...

After The Closing Ceremony: Rio's Sustainable Olympic Legacy

As the historic 2016 Olympic Games draw to a close in Rio de Janeiro, we commend C40 Chair, Mayor of Rio de Janeiro Eduardo...

The World Is Completely Urbanized

In 2008, the United Nations declared that the world passed an unprecedented, but silent, benchmark: for the first time in history, the world is...

Copenhagen: An Urban Farm That Is a Cross Over Between Art and Architecture

Click on image for larger file. ‘At Space10, we envision a future where we grow much more food inside our cities. Food producing...

The West May Not Be So Doomed On Water After All

It can be difficult to see any bright side when it comes to the water challenges facing the western U.S. Whether it’s the severe drought...