A look at changes in environmental policies on local, state, national and international levels. How are they formed? How do they converge? [ dur: 12mins. ]

* Astrid Carrapatoso is assistant professor of political science at University of Feiberg, Germany. She has published many studies on climate change policy implemented by local, state, national and international governments. She is the author of The Greening of Free Trade: Domestic Politics and Environmental Issues in New Zealand’s Free Trade Agreement Negotiations and co-editor of Climate-Resilient Development: Participatory solutions from developing countries. List of her publications can be found here .

How is climate change affecting the oceans and marine life? What are the interactions between the earth, the atmosphere, and the ocean, and how does that affect human life? What measures can people take to prevent massive environmental damage? [ dur: 46mins. ]

* Karina Nielsen is Professor of Biology and Executive Director of Estuary and Ocean Science Center at San Francisco State University. She is the co-author of California’s 4th Climate Assessment: Coast and Ocean Summary Report and Emerging understanding of seagrass and kelp as an ocean acidification management tool in California, and Are meta-ecosystems organized hierarchically? A model and test in rocky inter-tidal habitats.

* Stephen R. Palumbi is Jane and Marshall Steel Jr. Professor in Marine Sciences at Stanford University and the Harold A. Miller Director of the Hopkins Marine Station. He is the co-author of numerous publications including Using naturally occurring climate resilient corals to construct bleaching-resistant nurseries, Cobble community DNA as a tool to monitor patterns of biodiversity within kelp forest ecosystems, and Impacts of biodiversity loss on ocean ecosystem services.

* Scott Doney is Joe D. and Helen J. Kington Professor in Environmental Change in the Department of Environmental Sciences at University of Virginia. He is the co-author of numerous publications including A comprehensive global oceanic dataset of helium isotope and tritium measurements , Strengthened scientific support for the Endangerment Finding for atmospheric greenhouse gases , and Anthropogenic ocean acidification over the twenty-first century and its impact on calcifying organisms.

For a transcript of this interview, please visit: TheBigQ.