In response, the White House has proposed new rules that call for U.S. trade officials to review how proposed market-opening agreements would impact the environment.

CNN: Gore adviser proposes global environmental watchdog

Opening new card accounts over several months won't have much impact, but opening and closing 10 accounts at once could push a very strong credit score (760 and above) to average or below, said Kenneth Lin, who tracks credit issues at CreditKarma.com, a credit-information website.

WSJ: Card Tricks Win Big Rewards for Some Travelers

Right after the neighborhood tour, we helped to cut the ribbon at the grand opening of the Green Impact Zone Community Assistance Center.

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