Last year your school used 170,000 kWh of gas.
It will take 35 trees, each living 40 years, to absorb the carbon dioxide released when this gas was burnt.
Last week your school's gas use generated 220 kg of carbon dioxide.
That's the same amount of carbon dioxide generated when you drive a petrol car 1,300 km.
Last week your school used 1,200 kWh of gas.
That's enough energy to heat the hot water for 590 showers.
Last year your school used 170,000 kWh of gas.
That's the gas used by 15 UK homes in a year.
