Paul Lachine

Comprender el impasse climático

NUEVA YORK – Todas las señales sugieren que el planeta sigue dirigiéndose en línea recta al desastre climático. La Administración Nacional Oceanográfica y Atmosférica de los Estados Unidos ha publicado su "Informe del Estado del Clima", que cubre de enero a mayo. Los primeros cinco meses de este año fueron los más cálidos de los que se tenga registro desde 1880. Este mayo fue el más cálido de la historia. En la actualidad varias partes del mundo están siendo afectadas por intensas olas de calor. Y, sin embargo, todavía no tomamos medidas eficaces.

Hay varias razones para ello, y tenemos que comprenderlas para salir del punto muerto en que nos encontramos. En primer lugar, el reto económico del cambio climático causado por las actividades humanas es verdaderamente complejo. Este cambio surge de dos fuentes principales de emisiones de gases de invernadero (principalmente dióxido de carbono, metano y óxido nitroso): el uso de combustibles fósiles para generar energía y las actividades agrícolas (lo que incluye la deforestación para crear nuevas tierras de cultivo y pastoreo).

No es tarea pequeña cambiar los sistemas energéticos y agrícolas del mundo. No basta con agitar los brazos y declarar que el cambio climático es una emergencia. Necesitamos contar con una estrategia práctica para reestructurar dos sectores económicos centrales para la economía global y que involucran a la población de todo el mundo.

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