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As the weather gets warmer here in Shanghai, in another region of China, Hefei, Anhui Province, where’s China’s fifth largest lake, Chaohu Lake resides, a blue green algae outbreak was discovered, affecting at least 320,000 people who depends on it as a water source. The outbreak is caused by a rise in temperature, allowing algae growth to take place. Of course, some required chemical reagents like ammonia and nitrogen must have existed in plentiful amounts before this kind of algae can take place. There must be some kind of pollutants and wastes coming into the lake from an outside source, most probably factories who are illegally dumping chemicals which in the end ended up in this lake.