Harvard's David Keith offers a realistic and affordable plan to cut the impact of global warming in half by putting aerosol sulfates into the stratosphere

Although momentum appears to be building for a comprehensive climate deal in Paris interest there is increasing mainstream interest in doing research on finding technical solutions to climate change while some maintain that such a program is already going on.

Pope Francis' Encliclycal Laudato Si has had a world impact that extends to the global business community. Professors Domènec Melé (Business Ethics) and Mike Rosenberg (Strategy) share their personal opinions about the Pope's vision.