The ocean absorbs almost half of the carbon dioxide emitted by human activities, changing its chemistry in ways that may have significant effects on marine ecosystems. Join Scripps marine chemist Andrew Dickson as he explains what we know --Đ and what we don't --Đ about this emerging problem. (56 minutes)

Join Graham Kent, director of Scripps Instiotution of OceanographyŐs Visualization Center, for a cutting-edge presentation providing a futuristic tour of plate boundary Evolution along the western United States. (57 minutes)

Climate has enormous impacts on the marine life off California, influencing its major fisheries and the abundance of krill, seabirds and mammals. Join Tony Koslow as he shows how a 60-year ocean observation program, the California Cooperative Oceanic Fisheries Investigations (or CalCOFI) is unraveling the impacts of the El Ni–o/La Ni–a cycle and human-induced climate. (52 minutes)

In the late 1970s, scientists conducting a geologic investigation of the ocean floor in the Pacific made a startling discovery - deep ocean hot springs populated by a host of organisms never before seen. Join Dr. Horst Felbeck as he describes his fascinating research into what makes life possible in this seemingly inhospitable environment. (43 minutes)

Join Scripps Institutions' David Sandwell and explore how the topography of the ocean floor reveals the inner workings of our Planet. (49 minutes)

How is EarthŐs magnetic field important to making our Planet habitable? Where does it come from, and how quickly does it change? Join Geophysicist Cathy Constable as she delves into these and other questions about one of EarthŐs most dynamic features, the magnetosphere. Learn how research at Scripps is contributing to our ever-growing understanding of EarthŐs magnetism. (58 minutes)

Explore our nearest Planetary neighbors with Dr. Catherine Johnson as she demonstrates how she uses remote sensing to delve beneath the surface of the terrestrial Planets. (57 minutes)

Learn about the challenging research work of three outstanding fellowship students at Scripps Institution of Oceanography. Explore topics as diverse as climate science, sub-seafloor mapping and coastal oceanography and hear and studentsŐ visions for the future of their research. (49 minutes)

Learn about the challenging work of several fellowship students at Scripps Institution of Oceanography as they share visions for the future of their work. (57 minutes)

Join climate modeling expert Guillermo Auad as he explains the various kinds of models that researchers use to understand and forecast climate scenarios and how this science has impacts well outside of the research community. (46 minutes)

Join Scripps Institution of OceanographyŐs Robert Pinkel as he provides a window into the cold world of Arctic oceanography and illustrates how the interplay between sea ice and ocean circulation impacts Earth's climate. (51 minutes)

Join Scripps' Institutions Neal Driscoll as he presents new high-resolution images of landscapes and seascapes providing clearer understandings of the link between formative processes and their signatures in the geologic record. (52 minutes)

A group of Scripps graduate researchers recently returned from a 20-day expedition to the ŇGreat Pacific Garbage Patch,Ó a little-studied remote ocean region where plastic debris accumulates. Join Miriam Goldstein, chief scientist on the cruise, and colleagues Pete Davison and Chelsea Rochman, as they discuss the garbage patch, why itŐs there, and how they are exploring and analyzing the problem of plastic in the North Pacific Ocean. (50 minutes)

As part of an NSF-funded collaboration with Woods Hole Oceanographic Institution and science centers across the country to increase awareness of polar research and Earth's polar regions, join Donna Blackman, chair of the National Science Foundation's Ridge 2000 program, for an exciting excursion to the worldŐs mid-ocean ridge volcanic system. Learn how these oceanic spreading centers shape our Planet and support an amazing abundance of life in an otherwise inhospitable environment. (29 minutes)

What is the source of a wave?Ę Join us as Robert Guza describes how ocean Waves are measured and how Waves move sand on our beaches.Ę Discover the profound role Waves play in shaping the southern California coastline. (53 minutes)

Investigations into the oceanŐs role in the global carbon cycle have taken on increasing importance as scientists strive to understand the potential impacts of global change. Join Scripps ocean chemist Lihini Aluwihare as she explains how her research is helping to understand the biology, Geology|Earth Science, and chemistry of the oceans, and ultimately the Planet. (57 minutes)

Take a journey with Dr. Lisa Levin to cold, dark realms characterized by methane seeps, low oxygen, and the pervasive smell of rotten eggs! Discover the strange and wonderful creatures that make high-stress, muddy environments their home. (50 minutes)

The deep ocean remains largely unexplored, and deep-sea animals, their distribution and their relationships to each other are the subject of an ever-increasing variety of research projects. Join Scripps biological oceanographer Greg Rouse as he unveils the latest findings on some of the oceanŐs most intriguing and least-studied creatures and learn about the sophisticated tools used to understand the Evolution of life in the ocean. (57 minutes)

Do you ever wonder what the seashore looked like 100 years ago? Many would be shocked at the changes that have occurred during the last few decades as population in coastal regions has swelled. Please join Dr. Kaustuv Roy as he explains the role humans have played in the degradation of some of our most precious coastal treasures and ponders what we can do to preserve what is close to being lost. (57 minutes)

Charles Kennel explores how the convergence of earth science, biology, and social science through the use of information technology can lead to continuous awareness of Earth's systems, enabling coordinated responses to the global environmental challenges that face us now and in the future. (58 minutes)