Grist and the Worldwatch Institute are partnering on a three-part series that commemorates the 20-year anniversary of James Hansen’s testimony to the U.S. Senate that drew a direct connection between global warming and human activities. The testimony took place on June 23, 1988, and this coverage recounts the event and gives background about Hansen’s growing conviction.
Today is the first installment, with the two subsequent parts appearing later this week.

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Hero is a very subjective term.
KoS