Lakes worldwide are experiencing more severe algal blooms

Source: Science Daily

The intensity of summer algal blooms has increased over the past three decades, according to a first-ever global survey of dozens of large, freshwater lakes. Researchers used 30 years of data from the Landsat 5 near-Earth satellite and created a partnership with Google Earth Engine to reveal long-term trends in summer algal blooms in 71 large lakes in 33 countries on six continents.

https://www.sciencedaily.com/releases/2019/10/191014111746.htm