Learn about the role that radiation and greenhouse gases play in our understanding of atmospheric chemistry. As levels of CO2 in the atmosphere increase, you will discover the solutions scientists are exploring to reduce levels. And, discover how missions to other planets and moons in our solar system are revealing extraordinarily diverse atmospheres. Explore how an exponential increase in the discovery of new exoplanets is helping us learn about the evolution of our own atmosphere. Free to register. Fee to certificate.