Not only did U.S. emissions of greenhouse gases increase  by only 0.6 percent in 2005 (the usual increase is 1.0 percent), but carbon  dioxide emissions increased by only 0.3 percent. Despite disruptions in energy  production and a suppressed energy demand, the U.S. economy grew by 3.2  percent. 
 While the U.S. share of world carbon-dioxide  emissions is projected to fall to 19% from 23%.  global emissions are  expected to increase 2.1% per year, with China's emissions expected to grow  twice as fast. By 2015, China would pass the United States as the top  emitter  
 Europe's emissions are expected to grow 0.7%  annually between 2003 and 2030...