Natural Laboratory: Where have all the black abalone gone? How are scientists surveying the remaining population? Why are black abalones eating so much? Tune in for answers to these and related questions.

Natural Laboratory: What is the role of fog along the California coast? How is the decline of fog affecting coast redwoods? Answers to these and similar questions are included in this audio file.

Natural Laboratory: This audio file discusses how climate change is affecting birds and other species of animals and plants in California.