And the accumulated amount of man-made, global warming pollution that is up in the atmosphere now traps as much extra heat energy as would be released by 400,000 Hiroshima-class atomic bombs exploding every 24 hours, 365 days a year.

现在大气层中的由于人为因素造成的可使全球变暖的污染物所额外吸收的热量，等于40万颗投放在广岛的原子弹一年365天，24小时不断所散发的热量。