Greenland ice sheet reached tipping point 20 years ago, new study finds ||html|| ||Mudancas_Climaticas, Grenlandia Galcieres Nivel_Mar|2020-9-5_17:12|Skye||https://phys.org/news/2020-09-greenland-ice-sheet-years.html|PDC#Sea level rise could hit 2 metres by 2100 - much worse than feared|Orientador|HTML|| ||nivelMar|2019-11-4_20:22|Skye||https://www.newscientist.com/article/2203700-sea-level-rise-could-hit-2-metres-by-2100-much-worse-than-feared/|AoH#America's era of climate mass migration is here|AoH|html|| ||mudancasClimaticas nivelMar|2018-9-24_12:22|Skye||https://www.theguardian.com/environment/2018/sep/24/americas-era-of-climate-mass-migration-is-here|Biofilia#