Japanese: Innovative, even about homelessness

The concept of saving face is so ingrained in the Japanese culture that its homeless population will do anything rather than the humiliation of asking for help.

Cities can plan ahead for global warming

According to expert Jack Fellows, thinks that if cities plan ahead, they might be able to sell their adaptive knowledge and technologies.

Nano sensors may help farmers manage crops

Strickland said, " The specific idea was to incorporate nano sensors into pesticide spray, so that you can monitor how well the crop field was sprayed for pests, or while adding nutrients to the crop field."

Rosalyn Berne urges caution for nano in agriculture

Rosalyn Berne studies the ethics of nanotechnology. She said we don't understand what happens to nano products used in agriculture, at the point when that product filled with nano particles washes into the soil.

Saving seeds from extinction from Cary Fowler

Cary Fowler, executive director of the Global Crop Diversity Trust, talks about a large and ambitious saving seeds from extinction program that aims to safeguard the future of global agriculture.

Energy and water tradeoffs in oil extraction

Experts say usable oil can be extracted from a rocky substance, called oil shale, that's abundant in western North America. But geologist Craig Cooper speaks of trade-offs in the energy and water extraction process.

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.