Wind turbine.

Dejemos que sople el viento

BERLÍN – Cuando considera el cambio climático, la mayoría de la gente piensa que las turbinas eólicas y los paneles solares son una parte importante de la solución. Sin embargo, en el transcurso de los próximos 25 años, el aporte de la energía solar y eólica para la resolución del problema será insignificante -y el costo, enorme.

La Agencia Internacional de Energía calcula que aproximadamente el 0,4% de la energía global hoy proviene de la energía solar y eólica. Aún en 2040, si todos los gobiernos implementaran todas sus promesas verdes, la energía solar y eólica apenas representaría el 2,2% de la energía global. Esto es así, en parte, porque la energía eólica y solar ayudan a reducir las emisiones de gases de tipo invernadero sólo a partir de la generación de electricidad, que representa el 42% del total, pero no de la energía utilizada en la industria, el transporte, la construcción y la agricultura.

Sin embargo, la razón principal por la que la energía eólica y solar no pueden ser una solución importante para el cambio climático surge de un obstáculo casi insuperable: necesitamos energía cuando no brilla el sol y cuando no sopla el viento.

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