After more than three decades of existence, the Group of Eight (G8) is struggling to defend its relevance amid criticism of its limited membership and lack of a compliance mechanism.

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.

A decade after the World Bank mounted its first anticorruption campaign, the impact appears to have been minimal. Paul Wolfowitz, the bank’s new president, is seeking to reinvigorate the effort. But …

The U.S. government has boosted spending on international broadcasting since 9/11, expanding its reach to the Internet and satellite TV. But critics say these outlets have lost their focus.

Loss of forests is a major contributor to greenhouse-gas emissions. Plans to devise a policy tool for using trees for carbon dioxide sequestration are now under way.