An Inconvenient Truth.

Words.

"At the annual Bioneers convention in 2007, Van Jones described to an audience of scientists, activists and environmentalists how he had spent 20 years trying to get Americans to pay attention to the urban poor. "We would call newspapers, television stations, saying kids are dying, we're going to funerals every weekend. 'Not interested.' We'd say we've got kids going to school in Oakland, 30 kids in the classroom, six books, no chalk.' 'Not interested.' "

Finally, the Yale Law School graduate turned community organizer told the crowd, "We said, 'Well, we want green jobs and not jails for our youth.' And they said, 'Green? Green? Green!' GIVE THAT MAN A MICROPHONE!' "

"Green," at least in the beginning, was a marketing term to Jones, a means to an end. But the deeper he got into it, he said, the more he realized that the environment was central to the kind of social justice he cared about. For the affluent lefties in the audience, he teased, environmentalism might be about polar bears and other "charismatic megafauna." But "in the poor part of town, when they say, 'Oh, the environment is terrible,' they're talking about air pollution, asthma, cancer clusters and birth defects."

Working with inner-city residents required a new approach. "If I go and knock on the door in West Oakland, or Watts, or Newark, and say, 'Excuse me, I got a big problem here. ... WE GOTTA SAVE THE POLAR BEARS!' are they going to join my group? No. Because in the poor part of town ... if they're talking about global warming, they're not talking about polar bears drowning. They're talking about people drowning -- that's Katrina."

Soon, the crowd was on its feet, applauding.

I was in the audience for that speech, and I remembered it last spring when I heard Jones had been named special advisor to President Obama on green jobs. And I remembered it again last weekend when I heard he had resigned from that job under pressure. Jones' resignation came in the wake of reports that he had once used an expletive to describe Republicans, and that he had signed a petition in 2004 asking Congress to investigate whether the Bush administration had failed to prevent the 9/11 attacks in order to justify war.In the end, both liberals and conservatives condemned him.

But Jones' departure is a big loss. He should be judged not by a few missteps but by his long history of working toward a highly desirable but elusive goal: an environmental movement that crosses boundaries of place, skin color and class. By working to bring green jobs to "the poor part of town" and involving mainstream environmental leaders in the cause of fighting poverty, Jones has made a huge contribution."

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