Climate Central: When fish hauls show signs of slumping in the 230 acres of Papua New Guinean coral reef managed by the Muluk villagers of Karkar Island, clan chiefs confer and will sometimes agree to restrict fishing for up to a year. Fishing by outsiders is heavily restricted at all times, and fishing by villagers in different parts of the reef is guided by rules and customs. An unprecedented ecological analysis of fish survey findings from more than 2,500 reefs worldwide revealed on Wednesday that these villagers...