cave	steep	slope
to cover	litter/rubbish	dustbin
mud	wet	extremely
to pollute	factory/plant	pollution
environment / enviromental	environmentalist	(in)fertile
soil	fertiliser	to grow (grew-grown)
to grow	crop	harvest/crop
to fail	failure	to try/to attempt
attempt	to succeed (in) / to mange (to)	site

helling	steil	grot
vuilnisbak	afval;rommel	bedekken
buitengewoon	nat	modder
vervuiling	fabriek	vervuilen
(on)vruchtbaar	milieubeschermer	milieu
groeien	kunstmest	grond;aarde
oogst	gewas	kweken
proberen	mislukking	mislukken
terrein	slagen (in)	poging