V: amenaszar

S: amenaza

to threaten

threat

V: cazar

S: caza

to hunt

hunting

V: conservar

S: conservación

to conserve

conservation

V: deforestar

S: deforestación

deforest

deforestation

V: desaparecer

S: desaparición

disappear

disappearance

V: desechar

S: desecho

to dispose of

rubbish, junk

V: desintegrarse

S: desintegración

disintegrate

disintegration

V: desperdiciar

S: desperdicio

to waste

waste

V: destruir

S: destrucción

to destroy

destruction

V: emitir

S: emisión

to emit

emission

V: extinguirse

S: extinción

extinction

extinction

V: fabricar

S: fábrica/fabricación

to manufacture, to make

factory

V: hacer ruido

S: el ruido

to make noise

noise

V: preservar

S: preservación

to preserve

preservation

V: prevenir

S: prevención

to prevent

prevention

V: proteger

S: protección

to protect

protection

V: purificar

S: purificación

to purify

purification

V: reducir

S: reduccción

to reduce

reduction

V: reemplazar

S: reemplazo

to replace

replacement

V: reparar

S: reparación

to repair

reparation

V: rescatar

S: rescate

to rescue

rescue

V: sobrepoblar

S: sobrepoblación

to overpopulate

overpopulation

los humos irritantes,

el smog

to put up with,

to tolerate

to throw away,

to throw out

encender (ie),

prender

to come from,

to arise from

to cut down

(trees in a forest)