Todas las fuentes en línea se consultaron el
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Pronto se extendió hasta los últimos mil
Mann, M. E., et al., ‘Global-scale temperature patterns and climate forcing over the past six centuries’, Nature, 392 (6678), 1998: 779–87, https://doi.org/10.1038/33859; Mann, M. E., et al., ‘Northern hemisphere temperatures during the past millennium: inferences, uncertainties, and limitations’, Geophysical Research Letters, 26 (6), 1999: 759–62, https://doi.org/10.1029/1999GL900070. -
el 70 por ciento de las emisiones totales de carbono
Riley, T., ‘Just 100 companies responsible for 71% of global emissions, study says’, Guardian, 10 de julio de 2017, https://www.theguardian.com/sustainable-business/2017/jul/10/100-fossil-fuel-companies-investors-responsible-71-global-emissions-cdp-study-climate-change.