The eurozone crisis is expected to dominate the upcoming G20 leaders’ summit, as the organization works to stay relevant and move forward on a full agenda, says this Expert Roundup.

Although this year’s Rio+20 conference produced only vague goals and few concrete commitments, it provided a major opportunity to shift the global environmental focus to the national and local levels…

What’s in store next year for the global economy? Five experts weigh in on the challenges facing the eurozone, the fragility of emerging markets, and the prospects for clean energy.

In this roundup, five experts debate whether more fiscal stimulus is needed in the United States and abroad.

The threat posed by the al-Qaeda-Taliban relationship is a crucial element in U.S. strategic planning in Afghanistan. Four experts explore the changing nature of these sometimes murky ties.