Who will pay for the huge costs of holding back rising seas?

U.S. coastal cities face billions of dollars in costs for the extensive infrastructure projects needed to protect against rising seas and worsening storms. From Boston to Miami, government officials are only beginning to grasp the enormous expense of what will be required.

Disposable plastic water bottles banned from San Francisco airport

In an effort to make SFO more environmentally friendly, the airport is adding plastic water bottles to its list of restricted food service items starting August 20. The airport, just south of San Francisco, set a goal three years ago of becoming the world’s first zero-waste airport by 2021.

Rockweed Rescue

UC Santa Barbara marine scientists to restore rocky intertidal seaweed to boost coastal biodiversity.

Desert Sand could be the next bonanza for desert countries

Researchers have developed a new construction material that, unlike concrete, can be made from round grains of desert sand. Finding an alternative to conventional concrete sand would relieve environmental pressure around the world. But it would be a tragedy if the discovery of the usefulness of this readily available commodity led to an unregulated gold rush.