Dark Matter in the Universe

09/28/10 Some mysterious, invisible stuff is holding galaxies together. Peter Fisher

Cosmic Evolution

12/09/14 From the beginning of the universe to complex life: an explanation of the development of the cosmos. Eric Chaisson

Biodiversity in the Sixth Mass Extinction

03/19/24 A prominent biologist explains the crucial importance of biodiversity for life on Earth, and how the sixth mass extinction fractures that stability. Michael Reed.

Human Language, Animal Communication

04/26/21 The evolution of the human language apparatus, comparison of human language and animal communication, and explanation of the Neanderthal language controversy. Philip Lieberman

The Menace of Agrochemicals

10/18/21 A prominent researcher-author-public advocate discusses the environmental and health issues of agrochemicals, especially glyphosate (Roundup). Sheldon Krimsky

The Global Green New Deal

09-03-24 The book Climate Crisis and the Global Green New Deal by Noam Chomsky and Robert Pollin is one of the most important books on our urgent global issue. Robert Pollin discusses the economic factors underlying the climate crisis and the strategy needed to shift to a Global Green New Deal which will restore the planet and civilization. Robert Pollin

Nanotechnology Advances for Healthcare and Environment

05/08/18 Truly innovative research: nano-tech devices for medicine and environment. Sameer Sonkusale

The Impact of Air Pollution on Health

12/12/19 Jonathan Levy of Boston University School of Public Health describes how urban air pollutants such as vehicle exhaust affect our health.

Carbon Capture and Storage Will Not Reduce Global Warming

02/09/24 GBH Forum Network webinar (noon ET) The extreme level of atmospheric CO2 is well beyond a “capture and storage/sequestration” solution, yet the hype persists that some clever extraction innovation will resolve the problem. Charles Harvey

Energy Revolution!

05/21/15 Conversion to wind and solar power is entirely possible now in the U.S. Mara Prentiss

Today's Featured Contributors

Featured Author

David Stipp

Clear and accurate information about the prospects for healthy aging

Featured Guest

Robinson Fulweiler, Ph.D.

An expert on the physical-chemical-biological components of wetland and salt marshes ecosystems.