AGE: 48
OCCUPATION: Danish energy czar
PREVIOUS APPEARANCES ON THE TIME 100: 0
PRO: With a U.N. climate-control summit scheduled for Copenhagen later this year, Hedegaard has been a leading saber rattler for energy reform, needling the U.S. to speed up passage of antipollution legislation.
CON: Danish energy czar is not a title that gets Big Oil quaking in its boots.