A Quote by Michael Shellenberger

The main problem with biofuels - the land required - stems from their low power density. — © Michael Shellenberger
The main problem with biofuels - the land required - stems from their low power density.
The main problem with American power is not that it is American... No, the main problem with American power is the power itself. It would be dangerous even for an archangel to wield so much power.
The film that really struck me was Ridley Scott's Blade Runner. That was a film I watched many, many times and found endlessly fascinating in it's density. I think the density of that film is primarily visual density, atmospheric, sound density, moreso than narrative density.
Reagents are regarded as acting by virtue of a constitutional affinity either for electrons or for nuclei... the terms electrophilic (electron-seeking) and nucleophilic (nucleus-seeking) are suggested... and the organic molecule, in the activation necessary for reaction, is therefore required to develop at the seat of attack either a high or low electron density as the case may be.
The flip side of renewables' low energy density is their low return on energy invested.
The density of space junk peaks around 620 miles up, in the middle of so-called low-Earth orbit. That's bad, because many weather, scientific, and reconnaissance satellites circle in various low-Earth orbits.
The main problem with pacifism is that it doesn’t work in all situations. The main problem with pacifists is that they’re convinced it does.
Detroit is largely composed, today, of seemingly endless square miles of low-density failure.
There is something else which has the power to awaken us to the truth. It is the works of writers of genius. They give us, in the guise of fiction, something equivalent to the actual density of the real, that density which life offers us every day but which we are unable to grasp because we are amusing ourselves with lies.
I strongly agree with Vice President Gore that we cannot drill our way to energy independence, but must fast-track investments in renewable sources of energy like solar power, wind power and advanced biofuels...
The main problem that we have in Lebanon, and in the region, is we don't have a real peace process and I think this is the main focal problem that we have in the region.
If you're using first-class land for biofuels, then you're competing with the growing of food. And so you're actually spiking food prices by moving energy production into agriculture.
[T]he main problem in life is sin, and the only solution is God and his grace. The alternative to this view is to identify something besides sin as the main problem with the world and something besides God as the main remedy. That demonizes something that is not completely bad, and makes an idol out of something that cannot be the ultimate good.
The main political problem is how to prevent the police power from becoming tyrannical. This is the meaning of all the struggles for liberty.
As an already high-demand, low-density military asset, we cannot afford to lose the JSTARS's BMC2/ISR unparalleled capability.
The user of land should not be allowed to acquire rights of indefinite duration for single payments. For efficiency, for adequate revenue and for justice, every user of land should be required to make an annual payment to the local government equal to the current rental value of the land that he or she prevents others from using.
Land ownership has never been a problem. People have access to land. The peasants cannot complain about land ownership.
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