Les crises de l'après-crise

NEW-YORK – La crise de l'euro et la "falaise fiscale" américaine étant en tête des préoccupations, il est facile d'ignorer les problèmes à long terme qui pèsent sur l'économie mondiale. Mais ils continuent à s'envenimer, et c'est à nos risques et périls que nous les négligeons, absorbés par les problèmes immédiats.

La menace à long terme la plus grave, c'est le réchauffement climatique. Les mauvais résultats de l'économie mondiale ont conduit à un ralentissement de l'augmentation des émissions de carbone, mais ce n'est qu'un répit de courte durée. Comme nous sommes excessivement lents à réagir au réchauffement climatique, il faudra beaucoup d'efforts pour parvenir au modeste objectif d'une hausse limitée à 2°C de la température moyenne de la planète.

Certains observateurs estiment qu'en raison du ralentissement de l'économie, le réchauffement climatique doit passer à l'arrière-plan. Pourtant, l'adaptation de l'économie mondiale au réchauffement favoriserait la restauration de la demande agrégée et le retour de la croissance.

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