Leaders to focus on climate change at summit

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Negotiations for the global pact have stalled, and Tuesday’s gathering is aimed at jump-starting those talks.

Chinese President Hu Jintao, U.S. President Barack Obama, former U.S. Vice President Al Gore, Japanese Prime Minister Yukio Hatoyama, French President Nicolas Sarkozy and Rwandan President Paul Kagame are among the world leaders expected to speak Tuesday.

Roundtables are also planned, all with the overarching and generally accepted goal of limiting the rise of Earth’s temperature to within 2 degrees Fahrenheit above its temperature before the industrial revolution.

Hu’s speech will be of particular interest, given that his country is the world’s largest emitter of greenhouse gases, analysts said.