Le message du Nobel

Le Nobel de la Paix attribué à Al Gore est un tribut approprié à un dirigeant mondial qui a fait preuve de prescience, d’audace et d’habileté en alertant le monde sur les dangers du réchauffement climatique provoqué par l’homme. L’autre récipiendaire du Nobel de la paix de Gore est moins connu, mais pas moins méritant. Le Groupe d’experts intergouvernemental sur l’évolution du climat (GIEC) est le groupement mondial de l’Onu qui évalue les connaissances scientifiques sur le changement climatique et qui porte ces connaissances à l’attention du public et des décideurs du monde. Le fait qu’il ait reçu le Prix Nobel de la paix envoie trois messages significatifs.

Premièrement, les plus éminents spécialistes mondiaux du climat et la plupart des gouvernements mondiaux ont placé la science climatique à l’avant des débats sur les politiques mondiales. Le réchauffement climatique est complexe. Maîtriser le sujet demande une expertise dans de nombreux domaines scientifiques, notamment en climatologie, en océanographie, en chimie atmosphérique, en écologie, en ingénierie, en politique et en économie. Aucun scientifique seul ou équipe nationale ne peut y parvenir. Un effort mondial est nécessaire pour comprendre les changements dans de nombreuses parties du monde.

Depuis ses débuts en 1988, le GIEC a exploité les meilleurs esprits scientifiques du monde entier pour documenter et expliquer le connu et l’inconnu sur les réchauffements climatiques provoqués par l’homme. De nombreux groupes de travail préparent des rapports en analysant scrupuleusement les publications scientifiques. Le processus d’analyse est transparent et les gouvernements sont invités à y participer en nommant des experts pour divers groupes de travail, afin d’étudier et de commenter de nombreux premiers projets du GIEC, et d’approuver ses rapports finaux.

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