id	keyword
easat-1542	carbon
easat-1542	trading
easat-1542	carbon emissions
easat-1542	emissions trading
easat-1542	carbon trading
easat-1542	research
easat-1542	environmental
easat-1542	literature
easat-1542	china
easat-1542	innovation
easat-1542	policy
easat-1542	analysis
easat-1542	market
easat-1542	impact
easat-1542	science