The leaders of AAAS and the Cuban Academy of Sciences have signed a landmark agreement to advance scientific cooperation by Cuban and U.S. scientists, in key areas of mutual interest to both countries.

Energy, water, and food are intrinsically connected, and figuring out how to increase availability of one without compromising access to the others will be a demanding policy challenge as global population heads toward 9 billion by 2050, three resource specialists agreed in a wide-ranging discussion at AAAS.