environment - n. person
environmentalist
conserve - n.
conservation
new - adj.
renewable
extinct - n.
extinction
inhabit - n.
habitat
degrade - adj.
biodegradable
breed - n.
breeding
protect - n.
protection
forest - n.
deforestation
pole - adj.
polar
safe - n.
safety
threat - verb
threaten
wild - n. (dzika przyroda)
wildlife
pollute - n. air ...
pollution
honest - negative adj.
dishonest
possible - adverb
possibly
possible - negative adj.
impossible
danger - adj. zagrożony
endangered
able - negative adj.
unable
destroy - n.
destruction
safe - negative adj.
unsafe
separate - adj. (+/-)
separable / inseparable
danger - adj. niebezpieczny
dangerous