| Associated Press: 445 was the hot number at this week's climate change conference in Bangkok. For China, India and the United States, the number – representing parts per million of greenhouse gases in the atmosphere – came to symbolize a cap on emissions that would hurt their economies. European countries, in contrast, used the figure as a rallying cry to save the planet. At the current rate, the world is expected to hit 450 ppm within the next three decades, a threshold scientists have ... |
