Source: CleanTechnica
Plumes of smoke from Canadian wildfires have hung out over Wisconsin and often extended across the upper Eastern US for over a week. The fires have been worsened by the effects of heat and drought resulting from global warming. The photograph above shows the concentration of unhealthy air over Wisconsin ... [continued] The post What I’ve Learned Here in the Epicenter of Very Unhealthy Air Recently in Wisconsin appeared first on CleanTechnica.