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Can Dunkin’ Donuts Really Turn Its Palm Oil Green?

Dunkin Donuts plans to go green by committing to purchasing all their palm oil from sustainable sources.

Dunkin' Donuts is changing its recipes -- though you may not notice much difference the next time you bite into a cruller. In response to pressure from one of New York's top elected officials, the company recently announced that it will set a goal of using only 100 percent sustainable palm oil in making its donuts.

The change is the result of a campaign by New York state comptroller Thomas DiNapoli, who oversees the state's public pension fund. He's also a critic of palm oil, which is often used for frying donuts. It's harvested mainly in Asia, and its production has caused serious deforestation, which releases carbon, in Malaysia and especially in Indonesia. By 2020, Indonesia's greenhouse gas emissions from palm oil production could top the national emissions of Canada, according to a study released last fall by researchers at Yale and Stanford.

"The destruction of those rainforests in that area is going to have an impact on the climate issue," DiNapoli says.

Unlike his fellow donut eaters, DiNapoli was actually in a position to do something about this. As state comptroller, he's also the sole trustee of the Common Retirement Fund, the third biggest pension fund in the nation, which holds more than 50,000 shares of Dunkin' Donuts company stock. So DiNapoli offered a shareholder resolution spelling out his concern, and Dunkin' pledged to go sustainable.

Laurel Sutherlin, from the Rainforest Action Network, applauds the move. But as she notes, Dunkin' Donuts has yet to reveal just how it will fulfill its pledge to go green with

In the years ahead, Dunkin' will have to show it's not contributing to the destruction of rainforest. Sutherlin says many more companies ought to follow Dunkin's lead.

"In a grocery store that you walk into in the United States or Europe today," she says, "over half of the packaged goods contain palm oil. So it's used for everything from cookies to laundry detergents."

But why has demand for palm oil surged? It's not particularly delicious - in fact, palm oil doesn't have much flavor at all, according to Marion Nestle, a professor of nutrition at New York University. What it does have is a soft yet thick texture.

"And so it's very useful for products like Oreo cookies that have a filling," says Nestle, "so that you can put this oil in the filling and it stays solid at room temperature and doesn't run."

In the old days, hydrogenated oils - so called trans fats - did this job. But in 2007, another New York politician - New York City Mayor Michael Bloomberg - banned trans fats in restaurants. Nestle says many popular food brands - including Oreo and Dunkin' Donuts - voluntarily replaced trans fats with the best available substitute: palm oil.

"It's quite ironic," says Nestle.

Or maybe just the law of unintended consequences. One reason for the palm oil boom and the felling of ancient rainforests could be a mayor who only wanted to make his city healthier.

Meanwhile, DiNapoli says he's not done with palm oil yet. He's planning new shareholder resolutions, but won't say what company he's targeting next.

Copyright 2013 WNYC Radio. To see more, visit http://www.wnyc.org/.

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