To be perfectly clear, agriculture is a major source of pollution. It has always been that way, and it still is today. Farmers use fertilizers, and climate changes have been leading to extreme events that lead to an accelerated flow of these nutrients, which ultimately end up in our lakes and rivers.When that is combined with a warmer climate, the conditions are perfect for the growth of cyanobacteria and algae.
On November 2nd, 2023. See this statement in context.