António Guterres est un homme d’état portugais. Il est secrétaire général des Nations Unies depuis le 1er janvier 2017. Wikipedia
Résultats pour:
William F. Ruddiman
2009
The centerpiece of the early anthropogenic hypothesis is the claim that humans took control of greenhouse-gas trends thousands of years ago because of emissions from early agriculture ( [32] and [33]). A common reaction to this claim is that too few people lived thousands of years ago to have had a major effect on either land use or greenhouse-gas concentrations.