The Big Apple is going green.

Food establishments will be banned from using plastic foam in New York City starting this summer, according to an announcement made recently by Mayor Bill de Blasio's administration.

The move will make New York the biggest city in America to enact a ban on plastic foam containers, joining San Francisco, Seattle and Portland, Oregon. The ban by de Blasio will complete an initiative started by his predecessor, Michael Bloomberg, to ban the harmful material. Environmental groups have long said plastic foam is hazardous and clogs the nation's landfills.

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"These products cause real environmental harm and have no place in New York City," said de Blasio in a statement announcing the ban. "We have better options, better alternatives, and if more cities across the country follow our lead and institute similar bans, those alternatives will soon become more plentiful and will cost less."

Administration officials believe that the ban will remove nearly 30,000 tons of expanded polystyrene from the city's streets, waterways and landfills, and it continues de Blasio's push to create a greener New York City. Last year, he announced an ambitious plan to cut its greenhouse gas emissions 80 percent by 2050 from its 2005 levels.

The ban will go into effect July 1. Beginning that day, food establishments — from food carts to Chinese takeout — will not be allowed to use plastic foam cups or containers. Packing peanuts will also not be allowed to be sold within the city, though peanuts can still be placed within packages that are shipped to New York from elsewhere.

"While much of the waste we produce can be recycled or reused, polystyrene foam is not one of those materials," said Sanitation Commissioner Kathryn Garcia. "Removing polystyrene from our waste stream is not only good for a greener, more sustainable New York, but also for the communities who are home to landfills receiving the city's trash."

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Administration officials said the ban will have a grace period, without fines, until January 2016.

Nonprofits and businesses with less than $500,000 in annual revenue could qualify for an exemption from the plastic foam ban, but they would have to prove that using nonfoam materials would create financial hardship.

The Restaurant Action Alliance, a lobbying group, condemned the decision, suggesting that it would increase costs for eateries while saying that the city should instead focus on creating a plan to recycle the material.

"The decision to ban foam food service products, which comprise only 10 percent of polystyrene foam material, will send the remaining 90 percent to landfills at the taxpayers' expense," the group said in a statement.

Environmental policies are a rare area of agreement between de Blasio, a Democrat, and Bloomberg, an independent-turned-Republican. News of the ban, a day after the announcement of the end of a ban on cellphones in public schools, also marked an attempt by de Blasio to return to focusing on his agenda after more than a month of headlines dominated by ongoing tensions between City Hall and the New York's rank-and-file police.

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