Dark Energy and the Cosmic Expansion

12/14/21 The Dark Energy Spectroscopic Instrument (DESI) is the most advanced probe of the relationship between dark energy and the expansion of the universe. A unique project in astronomy. Arjun Dey

Astrophysics Knowns and Unknowns

12/20/16 A guide to fundamentals of astrophyics at a time of many exciting --and sometimes puzzling-- discoveries. Priyamvada Natarajan

The Biological Mind

03/27/18 The "mind" is not an isolated entity; it is connected to a physical-social environment. Alan Jasanoff

Infant Fossil Teeth: Clues to Ancient Human Development

11/13/13 Ancient infant teeth reveal the importance of weaning patterns in human evolution. Tanya Smith

Our Rising Seas

02/19/17 Sea-level patterns over 2000 years and the situation now. Andrew Kemp

Restoration of Severely Contaminated Lands

05/10/11 Sometimes even severely polluted land can be restored. Some case histories... Justin Hollander

Long-Term Health Threats of BPA and Other Endocrine Disruptors

08/21/12 Endocrine disruptors such as BPA cause developmental problems and disease. How does this damage occur? Ana Soto and Carlos Sonnenschein

Nanotechnology Advances for Healthcare and Environment

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

The Urban Future: On Earth...and Elsewhere

12/05/23 GBH Forum Network webinar (noon). By 2050, some 75 percent of the world population will live in cities. Future urban design will emphasize not only innovative architecture and engineering, but optimal environmental and social aspects of city dwelling also. The urban future might also include settlements beyond Earth. Justin Hollander

Power Plants and the Freshwater Crisis

06/25/13 The cooling systems of power plants use an enormous percentage of our diminishing freshwater supply. What's the solution? John Rogers

Today's Featured Contributors

Featured Author

Philip Warburg

Philip Warburg's books on renewable energy represent the views of diverse people and groups.

Featured Guest

Erika Spanger-Siegfried

The lead climate analyst in the Climate and Energy program at the Union of Concerned Scientists (UCS), who provides the reliable information that is much needed.