International climate negotiators muddled through the latest round of global-warming talks in Bonn, Germany, last week, overshadowed by independent bilateral negotiations in Beijing between the United States and China. Neither meeting produced any significant breakthroughs, and new disagreements seem to have outnumbered resolutions by a wide margin. At the United Nations climate talks that ended on 12 June in Bonn, delegates proposed so many new provisions and wording changes that the negotiation text ballooned fourfold to more than 200 pages