For years now, asbestos has been a building boogeyman. We know people used to use a lot of this stuff, we know it's bad for people, and we know we're still finding it in old building, requiring careful cleanup.
Now, the much-maligned material is getting something of a comeback: The EPA is reportedly easing up on asbestos regulation. While the agency is maintaining a ban on the substance, it could allow for asbestos to be used on a case-by-case basis in construction.
So what is this stuff, and why is it suddenly back?
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