Un día para hacer justicia al planeta

PRINCETON – Lo que estamos haciendo a nuestro planeta, a nuestros hijos y nietos, y a los pobres, por causa de nuestra despreocupada producción de gases de efecto invernadero, es una de las grandes faltas morales de nuestra era. El 24 de octubre, usted puede pronunciarse en contra de esta injusticia.

El 24 de octubre es el día 350. El nombre se da por el número de partes por millón de dióxido de carbono (ppm) que hay en la atmósfera, cifra que, según Jim Hansen, quizás el principal científico del clima del mundo, no deberíamos superar si queremos evitar un cambio climático potencialmente catastrófico. Es la medida que muestra lo serio de nuestro problema porque el CO2 ya alcanzó las 386 ppm y está aumentando dos ppm cada año.

La necesidad de reducir los gases de efecto invernadero se ha vuelto cada vez más evidente dado que las predicciones de calentamiento global –consideradas "alarmistas" cuando se hicieron por primera vez hace pocos años- han resultado ser, en repetidas ocasiones, muy conservadoras. Estamos llegando a un punto de no retorno en el que los circuitos de retroalimentación se pondrán en marcha para continuar calentando el planeta, sin importar lo que hagamos.

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