That app became the LEO network, which now boasts over 2,000 members reporting from 488 communities, with almost 600 joining in 2017 alone. It features hundreds of observations from across North America, as well as throughout Australia, Africa, and Europe. Brubaker and the scientists behind LEO hope this kind of boots-on-the-ground, real-time monitoring can help them spot troubling trends in climate change before they become crises.

Source: The Grassroots Social Network Documenting Real-Time Climate Change – Pacific Standard