“Over the course of just one year, water temperatures went up by 2.5 degrees Celsius. That’s huge. And the cycle is reinforcing; one really warm year led to more than a decade of dropping lake levels.”
Despite overfishing and growing worldwide taste for the fish, bluefin prices are a fraction of what they were last year.
TOKYO (AP) — Sushi restaurateur Kiyoshi Kimura paid 7.36 million yen (about $70,000) for a 507-pound (230-kilogram) bluefin tuna in the year's celebratory first auction at Tokyo's Tsukiji market on Sunday, just 5 percent of what he paid a year earlier despite signs that the species is in serious decline. Kimura's record winning bid last year