lead

polluted

to pollute

pollution

noise pollution

spokesperson

as far as I am concerned

dust

to warn, to let know

process

teacher, professor

progress

cleanliness

protocol

pure

to add again

to slow down

rarely

research, study

rule, regulation

renewable, sustainable

to breathe

responsible

resource

rearview mirror

to laugh

rose bush

to sit down

to save, to rescue

to be perpetuated, to be carried on

complain (they)

awareness

to make people aware

greenhouse

to go into exile

sixth

slogan

ground, soil

to blow

to suffer

source of energy

specification

statue

too bad

so, so much

Earth

your (familiar form)

expression of surprise

bearable, acceptable

your

tulip

urban

urgent

suitcase

variety

the Greens (Green Party)

old