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L’anomenat canvi global és un dels fenòmens que ha assolit una transcendència més gran per a la humanitat del segle XXI. Amb el seu component climàtic al capdavant, reté l’atenció científica, mediàtica i popular amb la intensitat dels grans reptes planetaris. Així, la qüestió ambiental es manté, de manera persistent, en el cor dels debats sobre desenvolupament econòmic, benestar, seguretat i cultura.•Tot i això, definir i abordar el canvi global presenta especial dificultat, atesa la complexitat i la multidimensionalitat del concepte. De forma creixent es parla d’una nova ciència capaç d’aconseguir-ho, una ciència global que ha de superar els vells enfocaments compartimentats per anar molt més enllà en la col·laboració de les disciplines, que integri, en lloc de sumar, coneixements. Una de les dificultats que cal superar és la tradicional divisió entre les ciències biofísiques i les ciències socials, caracteritzada per la divisió de llurs objectius i interessos. Des d’aquesta perspectiva, El canvi global planteja elements de reflexió per tal d’establir un marc compartit d’anàlisi, i introdueix eines conceptuals i metodològiques que permeten investigar el canvi global des de la integració científica. Els escenaris que proposa l’obra es completen amb l’estudi d’un cas empíric en clau territorial. L’apèndix que tanca el llibre aporta una revisió crítica i exhaustiva de les fites internacionals que han contribuït a la construcció del discurs del canvi global, exposades segons la seva successió històrica.
Marti Boada
Experto divulgador de temas ambientales. Investigador del Instituto de Ciencia y Tecnología Ambientales y profesor de la Universidad Autónoma de Barcelona, es profesor visitante de diversas universidades mexicanas y de la Universidad de California. Ha sido galardonado con el premio nacional de Medio Ambiente.
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