Witch model
Economy
Energy
Emissions
Climate
Policy Indicators
Overview
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Socio-Economic Indicators
Investments in Power Plants
Investments in Energy R&D
Costs of New Technologies
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WORLD
EUROPE
NORTH AMERICA
PACIFIC OECD
LATIN AMERICA
REST ASIA
CHINA
INDIA
AFRICA
ECONOMIES IN TRANSIT
MIDDLE EAST
REST WORLD
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Alternative content
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Analyze a scenario
Climate Policy
None
Weak pledges
500 ppm-eq
450 ppm-eq
Permits trading
None
Permits allocation
None
A scenario with fragmented action on climate change, where regional efforts are consistent with a conservative interpretation of the current Copenhagen pledges.
Alternative content
loader
Analyze a scenario
Climate Policy
None
Weak pledges
500 ppm-eq
450 ppm-eq
Permits trading
No
Yes
Permits allocation
None
A scenario with weak Copenhagen pledges until 2020, and global collaborative action on climate change afterwards via a global carbon tax, aiming at stabilizing the concentration of GHGs at 450 parts per million (ppm) of CO2eq by 2100.