After working with the industry for years to encourage the manufacture of non-toxic personal care products, the Campaign for Safe Cosmetics is now targeting retailers, encouraging them to make more space on shelves for the growing inventory of safe cosmetics.

FORBES: Report Ranks Retailers on Safe Cosmetics

But even a small change could make District buildings sleeker, raise ceiling heights and provide more opportunity for green space, architects said.

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It's actually a slight step down in terms of pixel density, but the extra space is more than worth it, as now this can make for a passable video player.

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In the British city of Cambridge, a private aerospace firm called Reaction Engines has been toiling away for more than 20 years to make reusable engines that can get a vehicle into space.

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It probably was a good idea to pressure the too-big-for-its-breeches social-media giant to make its paid space more effective, and it was a move that drew muttered agreement from many CMOs in other industries.

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The conversion took five years, and involved removing the roof, more than 10 feet thick, with a diamond saw, as well as extracting interior walls to make space for the art.

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