WASHINGTON — The Food and Drug Administration has rejected a petition from environmentalists that would have banned the plastic-hardening chemical bisphenol-A, known as BPA, from all food and drink packaging.

The agency said petitioners did not present compelling scientific evidence that the much-debated chemical is dangerous when used in food cans, bottles and other packaging. Federal scientists continue to study the issue.

We’ve covered the controversy over the chemical, including a report just last night.

Click here for more on this story from CBS News.