This working paper analyses the environmental sustainability of four electricity production systems that include carbon dioxide capture and storage (CCS):
- Pulverised coal (PC)
- Pulverised coal with oxyfuel combustion (PCOC)
- Natural gas combined cycle (NGCC), and
- Integrated gasification combined cycle (IGCC)
The analysis is based largely on a review of relevant Life Cycle Assessments (LCAs). Thus it considers the environmental sustainability of the entire electricity generation chain from fuel extraction through electricity generation and CO2 capture to CO2 storage. | 
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