La climatologie sous le coup des tabloïdes

NEW DELHI – Les scientifiques dont les recherches ont révélé l'étendue du changement climatique dans le monde sont aujourd'hui maltraités par la presse à sensation. Tout a commencé par le scandale de la fuite des courriels (en fait piratés) de l’unité de recherche climatique de l’université d’East Anglia en Grande-Bretagne. Est ensuite venue l'information que les glaciers de l’Himalaya ne régressaient en fait pas, et qu’ils ne disparaîtraient pas d’ici à 2035.

La première affaire a éclaté juste avant le sommet COP15 sur les changements climatiques de Copenhague en décembre. La seconde vise à enterrer le peu d’espoir restant pour ratifier un successeur au protocole de Kyoto. Coup sur coup, ces scandales exagérés ont, jusqu’à présent tout du moins, grandement porté atteinte à la crédibilité des preuves sur lesquelles la bataille contre le réchauffement climatique est fondée.

Mais dans quelle mesure ces attaques sont-elles justifiées, notamment celles accusant le Groupe d’experts intergouvernemental sur l’évolution du climat (GIEC), l’organe des Nations Unies qui fixe l’étalon or pour mesurer l’évolution du climat dans le mondeamp#160;? Un indice très révélateur est le mépris que les climato-sceptiques ont pour les données des études gouvernementales indiennes actuelles. Ils l’ont d’ailleurs utilisé pour saper le rapport du GIEC et entacher le passé immaculé du scientifique Syed Iqbal Hasnain, à l’origine de la citation alarmiste du GIEC sur l’Himalaya. Aussi, la joie impie avec laquelle ils ont entrepris de détruire le lauréat du prix Nobel, R.K.amp#160;Pachauri, icône du mouvement contre le réchauffement climatique, en attribuant une motivation financière à ses recherches, en dit long.

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