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Cherry Blossoms Bloom Early: Climate Change Wreaks Havoc
19 Apr
Summary
- Peak cherry blossom bloom arrives two weeks earlier than centuries ago.
- Global heating is altering a significant cultural and economic event.
- Japan's 1,200-year bloom dataset serves as a critical climate indicator.
A 1,200-year dataset meticulously compiled by the late Professor Yasuyuki Aono shows that Japan's cherry blossom 'peak bloom' is now occurring approximately two weeks earlier than in past centuries. This significant shift, with full bloom arriving in mid-April in the 1820s compared to March 25th in 2023, is a direct indicator of warmer springs due to global heating.
The early blooming trend is more than a botanical observation; it disrupts deeply ingrained cultural practices like 'hanami' (cherry blossom viewing picnics) and poses a threat to Japan's $9bn tourism industry, which relies heavily on the season. Similar patterns are observed globally, with cherry trees in Washington D.C. also advancing their bloom by about a week since 1921.
