This was because the clear glass allowed UV rays to penetrate the beer and alter the flavour. The solution was turning bottles brown, a darker colour which would block out the rays. After World ...

Beer drinkers are being warned ... in the U.S., said it is recalling some 12-ounce clear bottles because they may contain small pieces of glass. The bottles in question make up less than a tenth ...

However, brewers soon realised that clear glass bottles were not apt for storing beer. Beers kept in clear bottles would, ...