Last year your school used 160,000 kWh of gas.
It will take 33 trees, each living 40 years, to absorb the carbon dioxide released when this gas was burnt.
Last week your school used 3,500 kWh of gas.
That's enough energy to heat the hot water for 1,700 showers.
Last week your school's gas use generated 650 kg of carbon dioxide.
That's the same amount of carbon dioxide generated when you drive a petrol car 3,800 km.
Last year your school used 160,000 kWh of gas.
That's the gas used by 14 UK homes in a year.
