Alex deSherbinin on human migrations from climate change

Alex deSherbinin of Columbia University talks about the potential impacts of climate change on humans. Scientists believe climate change may force people in environmentally stressed regions to migrate.

Janaki Alavalapati on forests’ renewable energy potential

Janaki Alavalapati says that forest biomass - small diameter trees and brush cleared from forests - can be used to create liquid fuel.

Susan Cobey builds a better bee

Honey bees in the United States are in drastic decline. EarthSky spoke to bee breeder Susan Cobey of the University of California Davis about building a better bee.

Joel Cohen does the math on human migration worldwide

Every year, millions of people migrate from one country or continent to another. Joel Cohen uses mathematical models to map patterns in human migration.

Pedestrian engineering improves of public spaces

Michael Fishman of Columbia University uses the term 'pedestrian engineering' to describe a way of designing public space with walkers in mind.

Looking for excitement is wired into your brain

Would you rather go rock climbing, or stay home? Neuroscientist Mike Cohen said looking for excitement may be hardwired into your brain.

A fungus that can turn waste into fuel

Strobel thinks that with more research, the fungus could prove to be a prolific source of clean, renewable energy.

Nature versus nurture with neuroscientists

EarthSky spoke with Dr. Jay Giedd, a neuroscientist at the National Institute of Mental Health, about lingering questions on nature versus nurture.

Sustaining a private forest or tree farm

Jo Pierce owns a private forest in rural Maine. When you're working with trees, he says, you have to think on the timescale of a tree.

Henry Cisneros speaks out for new urbanism

Henry Cisneros, former U.S. Secretary of Housing, on 'new urbanism.' What it means is front porches, back yards, green space, sidewalks that work...