Multimedia Presentations: The Natural Laboratory: An Underground Answer to Greenhouse Gases
The Natural Laboratory is a series of pod-casts, videos, audio-slide shows, and other multimedia presentations produced by Pacific Coast Science and Learning Center Science Communication Interns exploring science from Bay Area National Parks.
Did You Know?
Climate scientists warn that the safe upper limit for atmospheric carbon dioxide (CO2) concentrations is 350 parts per million (ppm). For most of human history, atmospheric CO2 rarely exceeded 275 ppm--until the industrial revolution. As of 2012, atmospheric CO2 was ~394 ppm–-and rising 2 ppm/year. More...