From Sapporo: Climate change may be contributing to a rise in insects in a region known for being largely cockroach free. This area has long had a reputation for being free of cockroaches.

Hokkaido, Japan's northernmost main island, is the region in question. It may start to see more cockroaches due to changing climate conditions.

Further details about the potential rise in insect populations are available from the source, which reports on the possible shift in Hokkaido's ecosystem.