Contaminación: ¿Será difícil respirar?

Estudios prevén que alrededor de dos tercios de la calidad de aire será alterada por emisiones nocivas. ¿Qué consecuencias traerá a la salud?

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La calidad del aire es un aspecto fundamental para la vida humana y, además, es un factor clave entre los objetivos de desarrollo sostenible relacionados con la buena salud y el bienestar.

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Se prevé que alrededor de dos tercios de la contaminación futura del aire provendrá de las plantas, ya que producen sustancias químicas llamadas compuestos orgánicos volátiles biogénicos (BVOC).

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Por sí solos, los BVOC son benignos. Sin embargo, una vez que reaccionan con el oxígeno, producen aerosoles orgánicos y, a medida que se inhalan, pueden causar: asma, enfermedades cardíacas y cáncer de pulmón.

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Según una nueva investigación publicada en Nature Communications Earth & Environment, si las temperaturas globales aumentan un 4°C, las emisiones nocivas de plantas y polvo se incrementarán hasta en un 14%.

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Hay dos razones por las que las plantas incrementan la producción de BVOC: aumentos en el dióxido de carbono atmosférico y aumentos en las temperaturas. Se prevé que ambos factores sigan incrementándose.

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