A broad-sweeping look at international efforts to regulate the global financial system. This is part of the Global Governance Monitor, an interactive feature tracking multilateral approaches to several global challenges.

Greenhouse gas trading is now a multibillion-dollar international business and is expected to continue to grow, despite uncertainty about a post-2012 international climate regime.

An undervalued Chinese yuan remains a contributing factor to the U.S.-China trade imbalance, but experts warn that labeling China a "currency manipulator" will not rein in mounting U.S. deficits.

The global financial crisis prompted Congress to press for stronger U.S. financial regulations. But experts debate what level of government involvement will help the economy long term.

Some analysts say healthcare costs hinder U.S. industry competitiveness in the global marketplace, but it's unclear whether proposed health reforms will offer any cost relief.

The Obama administration says its 2009 stimulus package saved jobs and boosted growth, but Republicans and some economists worry it dampened consumer and business spending and added to long-term debt.

Debating global warming policy has moved to the top of agendas worldwide, but some skeptics still question whether action is necessary or possible.

Financial pressures have weakened al-Qaeda's tactical abilities, but analysts say affiliated networks are finding new ways to raise and spend money, complicating efforts to squeeze a savvy foe.

The UN conference on climate change that begins December 7 in Copenhagen is supposed to produce new targets for emissions reductions, but experts say major countries are at odds on the ultimate goal of a new framework. This backgrounder looks at some of their positions.

Leaders attending the Group of 20 summit in Pittsburgh will seek to forge agreements to buoy a global economic recovery and repair financial imbalances that contributed to the recession.

A profile of South America's largest trade bloc.

Brazil's economic dynamism has given it a stronger voice on global trade and energy issues. Experts say Washington can advance its regional interests more effectively through a more sophisticated relationship with Brazil.

As the United States looks to reform its health care system and expand access to the uninsured, countries that have moved toward universal health care may offer lessons.

President Barack Obama says he will seek vigorous climate-change policy. Efforts to curb greenhouse gases pose considerable economic pitfalls, as well as opportunities.

As the Obama administration finalizes its first defense budget, analysts say near-term growth will be followed by lean spending amid the worst economic crisis since the Great Depression.

A short summary of each of the G-20 member's objectives for the April summit in London.

A profile of the Group of 20 major and emerging world economies.

A brief look at how the U.S. government plans to use taxpayer funds and other incentives to cleanse the balance sheets of banks and revitalize credit markets.

April's G-20 summit has been billed as a forum for producing a "global New Deal." Experts say policymakers should focus on stopping financial turmoil before tackling long-term regulatory reforms.

As the global economic crisis increases the importance of trade, and China and the United States eye greater engagement with Southeast Asia, ASEAN may play a more robust role in the region.