La redefinición del desarrollo sostenible

MELBOURNE – Albert Einstein dijo en una ocasión que en caso de tener sólo una hora para encontrar una solución de la cual dependiese su vida, pasaría los primeros 55 minutos de dicha hora definiendo el problema. Una vez que supiera cuál es la pregunta correcta a formular, podría resolver el problema en menos de cinco minutos.

Hoy en día, la humanidad se enfrenta a un problema análogo que amenaza la vida: ¿cómo vamos a proporcionar nutrición adecuada y calidad de vida digna a una población mundial que se prevé va a superar los nueve mil millones hasta el año 2050, sin dañar irreparablemente nuestro sistema de soporte vital planetario? Para encontrar una solución, debemos empezar por aclarar el problema.

Los seres humanos han alterado de manera fundamental los ecosistemas de la Tierra. Al interferir con los ciclos del carbono, nitrógeno, agua y fósforo, la actividad humana cambia la atmósfera, los océanos, los medios acuáticos, los bosques y las capas de hielo, y disminuye la biodiversidad. De hecho, los efectos de la conducta humana sobre los ecosistemas del planeta han llegado a ser tan significativos en los últimos siglos que muchos científicos creen ahora que el planeta ha entrado en una nueva era geológica, denominada como el Antropoceno.

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