By Irene Wang TOKYO (Reuters) – Masahiro Hoshina, a Japanese farmer, starts worrying about typhoon season months before it begins, haunted by memories of the heavy rains and landslides that washed away wasabi farms during one 2019 storm. “Recently the power of typhoons feels totally different from before due to global warming. It’s getting stronger,” said the 70-year-old farmer in Okutama, west of downtown Tokyo. “Since it’s happened once, there’s no guarantee it won’t happen again.” Wasabi, the tangy Japanese horseradish that’s an essential part of sushi and dabbed onto slices of raw fish or …