August and September are peak months for the algae blooms that plague Lake Erie each year. This year, the bloom covers about 620 square miles. That’s roughly six times the size of the city of Cleveland and is so big, it is easily seen from space. On "Issues of the Environment" this week, 89.1 WEMU’s David Fair will talk with University of Michigan professor Don Scavia about the 2019 blooms and what needs to be done as climate change seems to be exacerbating the problem.