There's no reason to doubt Sarah Palin's sincerity when she talks about her commitment to family and--more specifically--special-needs kids. When she introduced her son, who has Down syndrome, to the audience at the Republican convention, the family tableau drew cheers. And she issued a promise. "To the families of special-needs children all across this country, I have a message for you," she told the crowd. "For years, you've sought to make America a more welcoming place for your sons and daughters, and I pledge to you that, if we are elected, you will have a friend and advocate in the White House."

Unfortunately, as governor of a state with a birth-defect rate that's twice the national average, and which has the gloomy status as repository of toxic chemicals from around the world, Palin has pursued environmental policies that seem perfectly crafted to swell the ranks of special-needs kids. It's true that Alaska's top leaders have placed industry wishes over environmental protection for years. But, instead of correcting this problem, she's compounded it. Peer into her environmental record, and Palin ends up looking a lot like George W. Bush.

In the past 20 years, research has shown that exposure to some metals and to chemicals such as pesticides, flame retardants, and polychlorinated biphenyls (PCBs) can cause birth defects and permanent developmental disorders both prenatally and in the first years of childhood. And Alaska is vulnerable to some of the worst environmental pollutants out there. In a state whose wealth depends on the exploitation of its natural resources, the toxic byproducts of mining and energy development, such as arsenic, mercury, and lead, are particular problems. Alaska Natives, such as the Inuit people, eat a diet that is heavy in fish, seals, and whales--animals that are high on the food chain and therefore more likely to be contaminated with high doses of PCBs and mercury. And the state is vulnerable not only to homegrown pollution, but also to industrial pollution: Trace gases and tiny airborne particles are contaminating the polar regions, carried there on atmospheric and oceanic currents, according to the National Oceanic and Atmospheric Administration.

The mess of pollutants in Alaska has clearly taken its toll. In general, the state has double the national average of birth defects. While the causes are unknown, environmentalists point to the region that includes the North Slope, an area slightly larger than Minnesota, where most of Alaska's oil is produced. The byproducts of oil production can cause serious nervous system disorders, and the North Slope and its environs, home to Alaska Natives and itinerant oil workers, has the highest prevalence of birth defects in the state--11 percent--compared with 6 percent statewide and 3 percent nationwide.