Amory Lovins: ‘Efficiency is cheaper than fuel’

Amory Lovins says the technologies for creating and retrofitting factories, homes, and cars to use energy-efficient materials already exist.

John Ochsendorf builds on ancient architecture for green ideas

Listen to John Ochsendorf, engineer and architectural historian at MIT, talk about what we can learn about "green" design from buildings that are hundreds or thousands of years old.

Agriculture for the future, is it possible?

Exploring how to feed a population that grows by 80 million each year, and changing the course of global agriculture as it is known today.

Heart danger from high cholesterol

New research suggests that high cholesterol creates heart danger that can change the normal heartbeat, and lead to sudden death.

Ashok Gadgil: Inexpensive inventions address big problems

Ashok Gadgil is known for his inventions, that can provide clean, cheap water for a thousand people, and a cooking stove for families in Darfur.

Mark Mehos describes solar power towers

The newly launched tower in Spain has over 1,200 mounted mirrors that follow the sun's path throughout the day. The heat energy from the sun powers a steam turbine to generate electricity, and can be stored for later use, says Mark Mehos.

Matt Wilson studies memories replayed in the brain

Matt Wilson was able to gain insights to the structure of memory, it seems to be composed of short segments, compressed and replayed in fractions of seconds.

Larry Kazmerski gives an update on solar energy

Larry Kazmerski says that enough solar energy beams down on Earth to power all that we do, so we need ways to convert it.

9 billion people on Earth in 2050?

Some population experts are now wondering if an often-cited number - 9 billion people by the year 2050 - is big enough.

How New Jersey’s sustainable oyster fishery got that way

Haskin Shellfish Research Laboratory on the New Jersey side of Delaware Bay assists the one sustainable oyster fishery on the East Coast.

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