ACCRA, Ghana — Negotiators meet in Ghana this week to resume work on a new climate change treaty and discuss ways to prod developing countries to join the fight against global warming. But the latest round of talks comes at an awkward moment, with the world’s poor more worried about the immediate cost of food and fuel than the uncertain long-term effects of climate change. The weeklong U.N. climate conference opens Thursday, with nearly 1,600 delegates and environmental experts from more than 150 countries in attendance, to work on an agreement to regulate emissions of greenhouse gases. Scientists say the gases trap the earth’s heat and already have begun to cause more severe tropical storms, harsher droughts in arid areas and melting ice packs in the Arctic. U.N. climate chief Yvo de Boer said it was significant the latest round of talks were being held in Ghana, where climate change already is being felt. Rainfall has decreased 20 percent in the last 30 years, he said on the eve of the conference, and rising sea levels threatens to swamp up to 385 square miles in the Volta Delta. A report last year by the Nobel […]