id	keyword
cjel-5562	law
cjel-5562	air
cjel-5562	cripps
cjel-5562	control
cjel-5562	act
cjel-5562	currie
cjel-5562	new
cjel-5562	pollution
cjel-5562	engineering
cjel-5562	clean
cjel-5562	environmental
cjel-5562	technology
cjel-5562	professor
cjel-5562	statute