Excitement is in the air for teachers of environmental science! “The Habitable Planet” is an amazing collection of a free online textbook, video resources, interactive labs and more (it is possible to purchase the video program if you wish), including topics like: Many Planets, One Earth, Carbon Cycling and Earth’s Climate, the Atmospheric Oxygen to name a few. “The Habitable Planet” is part of Annenberg Media and it is intended to provide, “a multimedia course for high school teachers and adult learners interested in studying environmental science [including] access to course content and activities developed by leading scientists and researchers in the field.”