Tag Archives: energy

Carbon Nanotubes Could Replace Rare Earth Indium in Solar Cells

A frequently voiced concern about solar energy is the dependence of solar cells on rare earth elements such as indium.  While rare earth elements are actually far more plentiful than their name suggests, it’s also encouraging to see studies showing … Continue reading

Posted in Uncategorized | Tagged , , | Comments Off

A roadmap for growing prosperity while saving the planet

Chris Jablonski at ZDnet interviewed me recently about my next book, The Infinite Resource.   Here’s a short excerpt.  Click at the link at the bottom to read the whole interview. In your upcoming book, The Infinite Resource – Growing … Continue reading

Posted in Uncategorized | Tagged , , , | 1 Comment

My WFS2011 Talk: The Infinite Resource: Growing Prosperity While Reducing Impact on the Earth

I gave at talk this morning at the World Future Society 2011 Conference in Vancouver.   The talk was entitled The Infinite Resource:  Growing Prosperity While Reducing Impact on the Earth, and it looks at what the ultimate limits of growth … Continue reading

Posted in Uncategorized | Tagged , , , , , , | 2 Comments

Solar Cheaper than Coal in 3-5 Years? GE and First Solar Think So

The news is carrying two stories in the last two weeks pitching solar as potentially cheaper than current electrical rates in the next 3-5 years. First, in an interview with Bloomberg, GE’s global research director Mark M. Little said that … Continue reading

Posted in Uncategorized | Tagged , , | 10 Comments

Genetically Tweaked Microbes on 0.6% of Earth’s Land Could Replace Oil

New Scientist has an article on biotech firm Joule’s upcoming ethanol production biofuel plant. Joule already has a pilot plant covering 0.8 hectares in Leander, Texas. On 5 May, the firm announced that it had secured 486 hectares in Lea … Continue reading

Posted in Uncategorized | Tagged , | 4 Comments

Can We Capture All the World’s Carbon?

I originally posted this at Scientific American.  Reposting here with permission. In 2011, the world will emit more than 35 billion tons of carbon dioxide. Every day of the year, almost a hundred million tons will be released into the … Continue reading

Posted in Uncategorized | Tagged , , | 1 Comment

More Efficient Aircraft Designs

The Economist has an article on aircraft designs that could cut fuel use by 50-70%, while still working with today’s airports (a challenge for flying wing designs).  From the article: Two groups working on the future of aircraft have come … Continue reading

Posted in Uncategorized | Tagged , | 1 Comment

Key Trends of the Next 25 Years

Michell Zappa has a fascinating infographic attempting to lay out timelines for future technologies over the next 25 years. It’s an impressive job of collecting data and laying it out in a way that someone can explore. It’s worth playing … Continue reading

Posted in Uncategorized | Tagged , , , , , | 9 Comments

Is Moore’s Law really a fair comparison for Solar?

A reader at Scientific American raises some healthy skepticism about whether or not the exponential trend in solar watts / dollar can continue. This is a fine thing to be skeptical about.  As I mentioned in the original post, we … Continue reading

Posted in Uncategorized | Tagged , , , , , | 2 Comments

The Exponential Gains in Solar Power per Dollar

My post on the Moore’s Law-like exponential gains in solar power per dollar went up at Scientific American yesterday.  Reprinting here with permission. The sun strikes every square meter of our planet with more than 1,360 watts of power.  Half … Continue reading

Posted in Uncategorized | Tagged , , , , , | 16 Comments