SUMMARY: British Kennel Club makes it unacceptable to breed dogs whose features make them unhealthy.
The RSPCA (British version of ASPCA) pulled out of Crufts (the major purebred dog show) last year over concerns about the bad effects that breeding for exaggerated appearances have done to dogs. The Kennel Club (British equivalent of AKC, but older, possibly first in the world) has since revised its standards somewhat, among other things now disallowing incestuous breedings to be registered. Mixed reviews, not surprisingly. Read the article.
North America (and AKC) is already far behind Europe, where most laws now prohibit docking of tails and cropping of ears. We'll undoubtedly be way behind in this, too.