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Monterrey subway, operating on bioenergy
Monterrey subway, operating on bioenergy
David Cornejo, Tamara Muñoz and Laura Villahermosa

MEXICO CITY — Dr. Emmett Brown takes banana peels, leftover beer, and some other pieces of garbage from the trash to charge his car — a DeLorean equipped with the Mr. Fusion Home Energy Reactor. Although in this scene from the movie Back To The Future (1985), the technology was invented in 2015, energy generated from garbage can now be seen in real life, and right here in Latin America.

The system, called biodigestion or anaerobic digestion, generates electricity from gases produced by different organic materials. While Chile and Argentina have just discovered this type of energy source, Peru and Mexico have been using it for the past for 30 years. In fact, the Monterrey subway in northern Mexico operates with electricity from garbage.

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Geopolitics

Our 'Emotional' Divide: How The Ukraine War Reveals A World Broken In Two

Russia's invasion has created a stark global divide: them and us. On one side are the countries refusing to condemn Moscow, with the West on the other. It's a dangerous split that could have repercussions far into the future.

Protesters against the war in Ukraine demonstrate in front of the Russian embassy in London

Dominique Moïsi

-Analysis-

PARIS — "The West and the Rest of Us." That's the title of a 1975 essay written by Nigerian essayist and critic Chinweizu Ibekwe. I've been thinking about his words as the war in Ukraine both reveals and accelerates divisions of the world that I believe are ultimately "emotional" in nature.

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With war returning to Europe and the risk of escalation, there is a gap between the Western view and that of the "others," a distinct "us and them." This gap cannot be explained in strictly geographical, political, and economic terms.

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Central to the tragic absurdity of this war is the question of language. Vladimir Putin has repeated that protecting ethnic Russians and the Russian-speaking populations of Ukraine was a driving motivation for his invasion.

Yet one month on, a quick look at the map shows that many of the worst-hit cities are those where Russian is the predominant language: Kharkiv, Odesa, Kherson.

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