Every day, in a city the size of London, 30 million meals are served. But where does all the food come from? Architect Carolyn Steel discusses the daily miracle of feeding a city, and shows how ancient food routes shaped the modern world.
-From TED.com
Imagine what we could learn about diseases by studying the history of human disease, from ancient hominids to the present. But how? TED Fellow Christina Warinner is an achaeological geneticist, and she’s found a spectacular new tool — the microbial DNA in fossilized dental plaque.
-Taken from TED.com
Posted in Health and Healthcare
How much land mass would renewables need to power a nation like the UK? An entire country’s worth. In this pragmatic talk, David MacKay tours the basic mathematics that show worrying limitations on our sustainable energy options and explains why we should pursue them anyway.
-From TED.com
Posted in Energy, Welfare and Standards
In this intimate talk filmed at TED’s offices, energy theorist Amory Lovins lays out the steps we must take to end the world’s dependence on oil (before we run out). Some changes are already happening — like lighter-weight cars and smarter trucks — but some require a bigger vision.
-From TED.com
Posted in Energy, Welfare and Standards
What’s the key to using alternative energy, like solar and wind? Storage — so we can have power on tap even when the sun’s not out and the wind’s not blowing. In this accessible, inspiring talk, Donald Sadoway takes to the blackboard to show us the future of large-scale batteries that store renewable energy. As he says: “We need to think about the problem differently. We need to think big. We need to think cheap.”
-From TED.com
Posted in Energy, Welfare and Standards
The US consumes 25% of the world’s oil — but as energy tycoon T. Boone Pickens points out onstage, the country has no energy policy to prepare for the inevitable. Is alternative energy our bridge to an oil-free future? After losing $150 million investing in wind energy, Pickens suggests it isn’t, not yet. What might get us there? Natural gas. After the talk, watch for a lively Q&A with TED Curator Chris Anderson.
-From TED.com
Posted in Energy, Welfare and Standards
Inspired by an abalone shell, Angela Belcher programs viruses to make elegant nanoscale structures that humans can use. Selecting for high-performing genes through directed evolution, she’s produced viruses that can construct powerful new batteries, clean hydrogen fuels and record-breaking solar cells. At TEDxCaltech, she shows us how it’s done.
-From TED.com
Posted in Energy
As the world’s attention focuses on the perils of oil exploration, we present Richard Sears’ talk from early February 2010. Sears, an expert in developing new energy resources, talks about our inevitable and necessary move away from oil. Toward … what?
-From TED.com
Posted in Energy, Welfare and Standards
The man who helped usher in the environmental movement in the 1960s and ’70s has been rethinking his positions on cities, nuclear power, genetic modification and geo-engineering. This talk at the US State Department is a foretaste of his major new book, sure to provoke widespread debate.
-From TED.com
Posted in Energy, Welfare and Standards
Forget about the hybrid auto — Shai Agassi says it’s electric cars or bust if we want to impact emissions. His company, Better Place, has a radical plan to take entire countries oil-free by 2020.
-Taken from TED.com
Posted in Energy
Real Food Chemists 