HHarvard OnlineBackyard Meteorology: The Science of WeatherHarvardX course on reading the sky and forecasting tomorrow's weather from your own observations.Paid certificateScience24 hrsBeginner
COCourseraGlobal Warming I: The Science and Modeling of Climate ChangeUniversity of Chicago course explaining the physics of climate change and simple climate models.Paid certificateScience40 hrsBeginner