polluted

(a)  

coal

(a)  

to sort out (garbage)

(a)  

the ozone layer

(a)  

litter

(a)  

rubbish/garbage

(a)  

recycling

(a)  

worldwide

(a)  

wastage/squandering

(a)  

to protect

(a)  

recycled products

(a)  

to throw

(a)  

renewable energy

(a)  

packaging

(a)  

noise

(a)  

deforestation

(a)  

global warming

(a)  

to save

(a)  

pollution

(a)