Scientist says they should speak more loudly to public

Hayes says It's time anyone who is a scientist to speak out about pesticides in the environment, and he has become an advocate of banning the Atrazine.

Tyrone Hayes outlines link between frog and human health

Tyrone Hayes sees a close connection between the health of frogs and the health of humans. Hayes studies how pesticides interact with hormones.

Dickson Despommier: Vertical farms feed cities from skyscrapers

Microbiologist Dickson Despommier envisions 'vertical farming' in city buildings - growing produce, even fish and poultry, in vertical greenhouses.

Soylent heat turns fiction to fact

Maybe there are less-than-dystopian scenarios utilizing concepts of 'recycling' that could be applied to an overpopulated, energy-starved world.

Energy Internet needed in a crowded world

An Energy Internet is one component of Thomas Friedman's vision to change the way America thinks about - and uses - energy.

Affordable and green go together in home building

Fernando Pages builds homes that are affordable and green without the need for subsidies. Pages explains why green building is really advanced building, and how affordable and green go together.

World coal estimates are too high

No matter what you think of coal as an energy source, the fact may be that we have less to burn than previously believed, according to this scientist.

Gregory Burns on the brain, pain and finance

Hear neuroscientist Greg Berns talk how people are wired to cope with pain - or the threat of it and how the human brain makes painful financial decisions.

In tough times, the female brain is nature’s favorite

In tough times, the feminine reaction to stress and scarcity of resources is to gather, conserve, feed, nurture, to hunker down, nest and protect.

Robert Waide: ‘We’re seeing unprecedented and rapid change’

Biologist Robert Waide talks about the dangers of putting too much stress on our ecosystems, and the importance of changing our behavior before it's too late.

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