“If we do not cut emissions, we face even more devastating consequences, as unchecked they could raise global average temperature to 4C or more above pre-industrial levels by the end of the century. The shift to such a world could cause mass migrations of hundreds of millions of people away from the worst-affected areas. That would lead to conflict and war, not peace and prosperity. … We also underestimated the potential importance of strong feedbacks, such as the thawing of the permafrost to release methane, a powerful greenhouse gas, as well as tipping points beyond which some changes in the climate may become effectively irreversible.”
"Flooding and storms in UK are clear signs of climate change, says Lord Stern. Author of 2006 report says recent weather is part of international pattern and demonstrates urgent need to cut carbon emissions" http://www.theguardian.com/environment/2014/feb/13/flooding-storms-uk-climate-change-lord-stern?CMP=EMCNEWEML6619I2, The Guardian (13 February 2014).
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Nicholas Stern, Baron Stern of Brentford 3
British economist and academic 1946Related quotes

The Truth about Reparations and War-Debts (London: William Heinemann Ltd, 1932), pp. 8-9
Later life

Quoted in Janera Soerel, "Talking to Nouriel Roubini," Janera (2007-05-02).

U.S. president George Bush made those comments on January 1, 1990. The Watchtower magazine; In Search of a New World Order (15 July 1991)

Speech in Boston (2002)

22 February 2017 https://www.sciencesetavenir.fr/politique/sante-handicap-et-refugies-jean-claude-ameisen-debat-avec-emmanuel-macron_110755
2017
Original: (fr) Nous sommes entrés dans un monde de grandes migrations. Et on en aura de plus en plus. Parce que la planète est en profond déséquilibre, nous auront dans les décennies qui viennent des migrations dues à des conflits géopolitiques qui vont continuer à se jouer et nous aurons des migrations climatiques... La France ne pourra pas l'endiguer... des phénomènes migratoires beaucoup plus forts que ce qu'on a vécu avec la Syrie.