In this talk, scientists Beth McGee, Mary Power, and Brian Silliman discuss the Chesapeake Bay, its food web, and the challenges of conserving and restoring the Bay.

In this talk, ecologist Brian Silliman discusses the factors behind major die-offs of coastal wetlands.

In this talk, ecologist Robert Pringle discusses how patterns and processes that occur in the savanna, a globally important biome, illustrate core concepts in ecology.

In this talk, biologist Anthony Barnosky discusses Earth’s five mass extinctions and whether current species declines may be part of a sixth mass extinction.

In this talk, biologist Elizabeth Hadly discusses human activities and their effects on biodiversity in the past, present, and future.

In this talk, biologist Elizabeth Hadly discusses how to preserve genetic diversity that is threatened by habitat loss.

In this talk, marine biologist Stephen Palumbi compares threats to biodiversity in the ocean to threats on land.

In this talk, marine biologist Stephen Palumbi discusses how coral reefs are threatened by climate change and how to protect them.

In this talk, biologist Anthony Barnosky discusses what steps can be taken to avoid a sixth mass extinction.

In this discussion session, biologists Stephen Palumbi, Anthony Barnosky, and Elizabeth Hadly answer questions from students.