By early May, the Transports started to rally, and in mid-July (point 3), the highs from early in the year, line f, were surpassed.

FORBES: 80-Year-Old Wisdom That Still Works

The Kyoto Protocol, the 1997 pact aimed at reining in carbon emissions, aimed to limit that increase to 3.6 degrees F (2 degrees C) by 2100 -- but a November report by the World Bank warned that trends point more toward an increase twice that big by the end of the century.

CNN: STORY HIGHLIGHTS