Japan
Japan’s ‘Cockroach-Free’ Island Is Losing Its Biggest Advantage — And Global Warming May Be to Blame
SAPPORO, Japan — For decades, Hokkaido had something that many residents considered one of the greatest benefits of living on Japan's northernmost main island. The cold kept the cockroaches away. Or at least, that was what many people believed. Now, that reputation is being challenged. As temperatures rise, winters become milder and homes become warmer and better insulated, experts are warning that cockroaches may be gaining a stronger foothold in Hokkaido — a region once widely considered t
