id	keyword
fbem-30139	reduction
fbem-30139	efficiency
fbem-30139	carbon
fbem-30139	carbon reduction
fbem-30139	pollution reduction
fbem-30139	green
fbem-30139	emission reduction
fbem-30139	model
fbem-30139	reduction efficiency
fbem-30139	environmental
fbem-30139	economic
fbem-30139	effect
fbem-30139	governance
fbem-30139	research
fbem-30139	technology
fbem-30139	policy
fbem-30139	river
fbem-30139	yangtze
fbem-30139	government
fbem-30139	transformation