Katharine Hayhoe’s Quick Climate Snap for Earth Day

Climate Denial Crock of the Week

OK, your Aunt Polly is not going to sit thru a full lecture from Kevin Trenberth.(see that below on this page)
But here’s an under-four-minute snapshot from Katharine Hayhoe, delivered on Earth day to a group students.
Elegant, simple and informative. Communicators, take notes.

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Crise énergétique ? Mais non, crise entropique !

Science étonnante

petrole_300Nous vivons en ce moment une crise énergétique. Chaque jour on entend qu’il faut économiser l’énergie, que nos ressources d’énergie s’épuisent, ou qu’il faut trouver de nouveaux moyens d’en produire.

Et pourtant dans le même temps, en cours de physique, on apprend que l’énergie se conserve : elle ne peut être ni créée, ni détruite. N’y a-t-il pas là une contradiction ? Pourquoi nous parle-t-on d’économiser l’énergie, si l’énergie se conserve ?

Pour comprendre cet apparent paradoxe, il faut faire appel à cette étrange notion qu’est l’entropie. Et nous allons voir que ce que nous appelons communément la crise énergétique est en réalité une crise entropique !

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The UN should negotiate with Venezuela on a stop to Orinoco oil production

Aleklett's Energy Mix

The illustration is from the book Peeking at Peak Oil.

Since OPEC decided in November 2014 against reducing the supply of oil on the world market by decreasing production and so force up the price, international headlines have mainly addressed the topics of Saudi Arabia’s oil production behaviour, Russia’s economic problems, the slowing Chinese economy and the difficulties that the fracking industry in the USA is encountering. What has not been discussed as much in the media is the painful economic problems being encountered by some OPEC nations. What will happen to some of these nations when their problems exceed the threshold of pain that they can withstand? Venezuela is a member of OPEC and it is becoming apparent that it has reached, or passed, its economic pain threshold.

Venezuela is completely dependent on trade income from oil exports. It is also probably the world’s oldest oil-exporting nation. When the…

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