and other officials bow at the start of a news conference in the company's headquarters early Saturday. KYODO PHOTO

The Ministry of Economy, Trade and Industry announced Friday that Rinnai's RUS-5RX and RUS-51BT models have caused five cases of carbon monoxide poisoning since 2000, killing three people and sickening 12 others. Ventilation is needed for these models because they release exhaust gas into rooms.

Our Planet

Hikers on a trail in Hakuba, Nagano Prefecture. As extreme heat continues to grip Japan, a tectonic shift may be underway in the nation’s summer tourism scene as more people gravitate toward cooler destinations.
Are 'coolcations' the answer for Japan's heat-weary tourists?

Longform

Tetsuzo Shiraishi, speaking at The Center of the Tokyo Raids and War Damage, uses a thermos to explain how he experienced the U.S. firebombing of March 1945, when he was just 7 years old.
From ashes to high-rises: A survivor’s account of Tokyo’s postwar past