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Global emissions must reduce by more than 5 per cent each year over several decades to keep climate change below 2°C.* This emission quota implies that over half of proven fossil reserves might hav...

started by owen11158 on 14 Nov 14 no follow-up yet

.suite. Cet éminent spécialiste de l'Empire britannique, professeur d'histoire impériale à Cambridge, a connu un cheminement intellectuel complexe de l'histoire locale à l'histoire mondiale, de la ...

started by owen11158 on 18 Nov 14 no follow-up yet