CERSPA: A new agreement for the sale and purchase of certified emissions reductions (CERs) Author OSulivan R. Journal/Series Environmental Liability | Vol. 15(2); 120 - 124; 5 p. Date 2007 Source IUCN (ID: ANA-079934) Publisher | Place of publication Lawtext Publishing | Oxon, UK Document type Article in periodical Language English Field of application International Subject Air & atmosphere Keyword Subsidy/incentive Climate change Emissions