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el aire puro

clean air

la biodiversidad

biodiversity

la capa de ozono

ozone layer

la contaminación

pollution, contamination

las especies en peligro de extinción

endangered species

el medio ambiente

environment

no renovable

nonrenewable

el petróleo

oil

el planeta

planet

el recurso natural

natural resource

la responsabilidad

responsibility

disminuir

to diminish, decrease

fomentar

to foment, to support

protegar

to protect

respirar

to breath

desarrollar

to develop

el desarrollo

development

la innovación

innovation

la investigación

investigation

mejorar

to improve

reemplazar

to replace

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