carbon footprint

(a)  

run

(a)  

tax

(a)  

charge

(a)  

regularly

(a)  

journey

(a)  

carbon dioxide

(a)  

fuel

(a)  

coal

(a)  

fill

(a)  

global

(a)  

amount

(a)  

take measures

(a)  

government

(a)  

reduce

(a)  

calculate

(a)  

Don't be fooled!

(a)