China’s Urban Noise Maps to Include Nature’s Symphony

When Tech Meets Nature: Cities Tune Into Soundscapes

Ever wondered what your city’s 'playlist' sounds like? China is launching a nationwide noise-monitoring network in 2025 – but there’s a twist: mics will capture bird calls, frog croaks, and wind whispers alongside honking cars and construction clatter.

The system aims to tackle noise pollution and unintentionally create an audio diary of urban ecosystems. While critics question whether recording cicadas helps reduce subway racket, ecologists call it a 'happy accident.'

Why It Matters

Noise pollution costs the global economy $4.8 billion annually in health impacts, per WHO data. China’s approach mixes AI-powered sensors with environmental awareness – think Shazam for city soundscapes.

Young professionals like Shanghai resident Li Wei (28) joke: 'Maybe future playlists will have tracks like “Suzhou Creek Frog Remix”

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Why are natural sounds collected in Chinese cities?

cgtn.com