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Table 1 Estimated order of magnitude of CO 2 capture and/or emission reduction and money involved

From: Six commercially viable ways to remove CO2 from the atmosphere and/or reduce CO2 emissions

  CO2capture or emission reduction Cost or benefit
Unit 1 Million ton 1 Million euro
Options   
Nickel farming 1 to 50 0 to +200
Biodiesel from diatoms 50 to 1,000 +10 to +500
Quenching forest fires 100 to 1,000 +200 to + 2,000
Supergreen energy 20 to 1,000 +50 to + 5,000
Coastal protection 10 to 1,000 -1 to + 100
Olivine in high-energy waters 25,000 -500,000a
  1. aIf the figure of 500 billion euro of costs for the option in the last row is compared to the cost of the CCS-option, the deficit changes into a benefit of 700 billion euro cf.[12].