el aire puro
clean air
el basurero
garbage container
la biodiversidad
biodiversity
la capa de ozono
ozone layer
el clima
climate
la contaminacion
pollution, contamination
deforestacion
deforestation
el efecto invernadero
greenhouse effect
la erosion
erosion
las epecies en peligro de extincion
endangered species
la inundacion
flood
el medio ambiente
environment
no renovable
non-renewable
el petroleo
oil
el planeta
planet
el recurso natural
natural resource
la responsibilidad
responsibility
el riesgo
risk
la sequia
drought
el smog
smog
el suelo
ground, soil
el temblor
earthquake
da�ar
to harm
destruir
to destroy
disminuir
to diminish, to decrease
fomentar
to foment, to support
proteger
to protect
respirar
to breathe
reutilizar
to reuse
valorar
to value
apreciar
to appriciate
complejo(a)
complex
dearrollar
to develop
el desarrollo
development
la innovacion
innovation
el invento
invention
la investigacion
research
mejorar
to improve
reemplezar
to replace
amenzar
to threaten
el derrumbe
landslide
extinguirse
to become extinct
informarse
to keep informed
el porvenir
future
responsable
responsible
la transformacion
transformation
volar
to fly
votar
to vote