Smart birdhouses called TreeWiFi give free WiFi when the air quality improves
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Trees give free WiFi when the air quality improves with a smart birdhouse from TreeWiFi. An Amsterdam based start-up called TreeWiFi builds birdhouses that measure air pollution and that make the levels of pollution visible through an LED status light and a high tech roof that illuminates the entire tree at night. Air quality data is sent to a server where it is analyzed and made public for everyone to see. When the server detects an improvement in air quality it allows the birdhouse to share...