And are still rippling,  20 years later SAN FRANCISCO,  PHILADELPHIA, KNOXVILLE––The San Francisco SPCA and San Francisco Animal Care & Control in calendar year 2000 together killed fewer than 2,000 cats and dogs. That was under 2.6 cats and dogs per 1,000 human residents,  15.6% of the national average,  1,001 fewer than the 1999 previous […]