id	keyword
csp-344	waste
csp-344	russian
csp-344	msw
csp-344	ermolaeva
csp-344	environmental
csp-344	management
csp-344	moscow
csp-344	waste management
csp-344	recycling
csp-344	sorting
csp-344	new
csp-344	metabolic
csp-344	disposal
csp-344	landfills
csp-344	cities
csp-344	processes
csp-344	region
csp-344	citizens
csp-344	transformations
csp-344	megalopolises
csp-344	collection
csp-344	population
csp-344	infrastructure