Christian Science Monitor: Al Gore warned this week that climate change is "imminent," an "emergency," and could soon cause a planetary hothouse, or "carbon summer." The new evidence? Sea levels and carbon gases are rising faster than expected. And Arctic summer ice may melt within a generation. With recent, more dire trends on global warming, can the world really afford to wait for the post-Kyoto UN negotiations, which are finishing up in Bali this week, to reduce greenhouse …