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Medium-term trajectories already determined Position1 #146948 The trajectories for the three key systemic dimensions are broadly determined to 2030 or so already.

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Planet Under Pressure »Planet Under PressurePlanet Under Pressure☜DebateGraph and the Planet Under Pressure scientists are collaborating to distill the main arguments, evidence, risks and policy options facing humanity in a dynamic knowledge map to help visualise and inform global policy dialogue and deliberation.☜F1CEB7

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1. State of the Planet »1. State of the Planet1. State of the Planet☜Key observations about the State of the Planet; highlighting aspects of the emerging crisis.☜FFB597

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Medium-term trajectories already determinedMedium-term trajectories already determined☜The trajectories for the three key systemic dimensions are broadly determined to 2030 or so already.☜59C6EF

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Climate change »Climate changeClimate change☜Because of the delays in the climate system, the greenhouse gases that are up there now are going to determine the climate for about 15-20 years ahead – even whatever happens in terms of the reduction of greenhouse gases, or indeed their expansion.☜9FDEF6

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Population Growth »Population GrowthPopulation Growth☜We are going to reach a further billion people by 2025. We also know the distribution of that billion — about 500 million in Africa 500, about 500 million in Asia. Changes in fertility will not affect it much.☜9FDEF6

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Urbanization »UrbanizationUrbanization☜Unless development patterns change, by 2030 humanity’s urban footprint will occupy an additional 1.5 million square kilometres - comparable to the combined territories of France, Germany and Spain—with the equivalent of a city of 1 million needed weekly across the next 38 years.☜9FDEF6

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+Citations (1)

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Link[1] A Call for Practical Steps on Climate from Britain's Science Adviser

Author: Sir John Beddington - Interviewed by Andy Revkin
Cited by: David Price 1:13 PM 1 April 2012 GMT

Citerank: (9) 93325What?Examples of projects and maps.57DE7179, 933315. Shared understanding565CA4D9, 154481Population growth, urbanization & climate change determined alreadyThe trajectories for the three key systemic dimensions are broadly determined to 2030 or so already.959C6EF, 2440885. Shared understanding565CA4D9, 244091What?Examples of projects and maps.57DE7179, 244551What?Examples of projects and maps.57DE7179, 2445565. Shared understanding565CA4D9, 5921485. Shared understanding565CA4D9, 592155What?Examples of projects and maps.57DE7179

URL:

http://dotearth.blogs.nytimes.com/2012/03/29/scientists-call-for-practical-steps-to-smooth-humanitys-journey/

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Entered by:- David Price
NodeID: #146948
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Entry date (GMT): 4/1/2012 1:08:00 PM
Last edit date (GMT): 5/26/2012 7:38:00 PM
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