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Menos de la mitad de los Estados presentaron los compromisos climáticos pedidos en el Acuerdo de París

(FILES) In this September 23, 2015 file photo, ice chunks are seen in the Northwest Passage near the CCGS Amundsen, a Canadian research ice-breaker navigating in the Canadian High Arctic. - Arctic summer sea ice melted in 2020 to the second smallest area since records began 42 years ago, US scientists announced on September 21, 2020, offering further stark evidence of the impact of global warming. Artic sea ice melts in summer and reforms in winter, but precise satellite imagery taken regularly since 1979 had documented how the cycle has been shrinking significantly.The year's minimum was reached on September 15, at 3.74 million square kilometers (1.44 million square miles), according to scientists at the National Snow and Ice Data Center (NSIDC) at the University of Colorado Boulder. (Photo by Clement Sabourin / AFP)
(FILES) In this September 23, 2015 file photo, ice chunks are seen in the Northwest Passage near the CCGS Amundsen, a Canadian research ice-breaker navigating in the Canadian High Arctic. - Arctic summer sea ice melted in 2020 to the second smallest area since records began 42 years ago, US scientists announced on September 21, 2020, offering further stark evidence of the impact of global warming. Artic sea ice melts in summer and reforms in winter, but precise satellite imagery taken regularly since 1979 had documented how the cycle has been shrinking significantly.The year's minimum was reached on September 15, at 3.74 million square kilometers (1.44 million square miles), according to scientists at the National Snow and Ice Data Center (NSIDC) at the University of Colorado Boulder. (Photo by Clement Sabourin / AFP) CLEMENT SABOURIN

Menos de la mitad de los Estados presentaron sus nuevos compromisos climáticos antes del plazo del 31 de diciembre de 2020, según documentos presentados por la ONU.

En virtud del Acuerdo de París de 2015 (COP21), que apunta a mantener el calentamiento por debajo de los +2°C, o si es posible +1,5°C en comparación con la era preindustrial, cada firmante debía presentar antes de fines de 2020 una nueva versión de sus compromisos en la lucha contra el cambio climático, llamada "Contribución Determinada a Nivel Nacional"(CDN).

Pero al 1 de enero, alrededor de 70 Estados de casi 200 lo presentaron, pero no precisamente aquellos que emiten más gases de efecto invernadero.

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