With some findings of the UN’s Intergovernmental Panel on Climate Change in question, four experts debate how much the premier climate science review panel may need to make changes.

What does 2013 have in store for the global economy? We asked five distinguished experts to identify the most important trends, challenges, and opportunities in the upcoming year.

Experts forecast the five most consequential trends in 2012, following a year in which the global economy struggled amid high unemployment and mounting debt crises.

The worst oil spill in U.S. history, still growing in the Gulf of Mexico, has intensified debate about alternative fuel options. Here, four experts discuss how to reduce U.S. oil consumption.