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26 de abril de 2024
INFORME HISTÓRICO
Al horno: la ONU habla de calentamiento global límite Muchos efectos, especialmente en los océanos y las zonas polares, "son irreversibles para los próximos siglos o milenios" lunes 9 de agosto de 2021 13:41
Un mayor calentamiento global podría provocar que todas las regiones experimenten cada vez "más cambios simultáneos y múltiples" en los factores de impacto climático, según el nuevo informe presentado por el Grupo Intergubernamental de Expertos en Cambio Climático (IPCC) de Naciones Unidas. Según los científicos, las emisiones continuas de gases de efecto invernadero podrían quebrar un límite clave de la temperatura global en poco más de una década.
Estas variaciones en diversos impulsores del impacto climático estarán "más extendidas" si la temperatura planetaria sube a 2 grados centígrados en comparación con un calentamiento global de 1,5 grados e incluso "serían más amplias y/o pronunciadas para niveles de calentamiento más elevados".
El informe revela que en todas las regiones se producirán nuevos aumentos en los factores de impactos climáticos cálidos, mientras que habrá disminuciones de los fríos. Además, advierte de que muchos efectos del calentamiento global, especialmente en océanos y zonas polares, "son irreversibles para los próximos siglos o milenios".
Así, se prevén "nuevos descensos" en el permafrost, la nieve, los glaciares y las capas de hielo, los lagos y el hielo marino del Ártico, unos cambios que "serían mayores o superiores con un calentamiento global de 2 grados que con 1,5 grados".
Muchos efectos del calentamiento global, especialmente en los océanos y las zonas polares, "son irreversibles para los próximos siglos o milenios"