The emissions control scandal at Volkswagen illustrates the danger of what I call a Show and Tell strategy and the reality that some companies are actively persuing startegy that involves Breaking the Law

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.