Less than a month before the start of the Olympic Games in Paris, the water quality of the Seine river is still not good enough to organize competitions there as planned, according to a water quality report published on Friday. “Water quality continues to be impaired due to unfavourable hydrological conditions – rainfall, high flow velocity, low solar radiation, temperatures below the seasonal norm and pollution in the upper reaches of the river,” the report stated. Around €1.4 billion ($1.5 billion) were invested in wastewater treatment plants and the sewage system in the greater Paris area w…