Renewables cheaper than coal in Australia

Last week I was reporting that in New Mexico, solar is now cheaper than coal, something that analysts forecast would occur only in three or five years. I was wondering if this was an isolated event or the harbinger of a closer paradigm shift. Well, it seems that it is NOT an isolated event as… Continue reading Renewables cheaper than coal in Australia

Cleantech represents 2% of global energy

As Industry Intelligence Inc notes, cleantech is accelerating as the share of solar and wind energy and biofuels took 12 years to go from 0.5 to one percent of the global energy production but only six years to double that. In 2011, these energy sources accounted for 2.1 percent. The total emissions avoided are about… Continue reading Cleantech represents 2% of global energy

On the Jevons paradox

Have you heard about the Jevons paradox ? Or the rebound effect ? Neither of them ? However they both refer to an interesting fact related to energy, efficiency and conservation. In a nutshell : we have been using more and more energy since the Industrial revolution, centuries ago, however, appliances and processes are more… Continue reading On the Jevons paradox