Carbon footprint Your assessment criteria P 6 Identify

Carbon footprint Your assessment criteria: P 6 Identify the human activities that are affecting the Earth and its environment M 6 Describe how the choices humans make have an effect on the Earth and its environment D 4 Explain possible solutions to the effect humans have on the Earth and its environment Unit 1: Chemistry and Our Earth © Harper. Collins. Publishers 2010

Carbon footprint • A carbon footprint looks at how much your lifestyle affects the Earth. • It is called a carbon footprint because the energy you use can be expressed in the amount of carbon dioxide released into the atmosphere • The bigger the carbon footprint, the more damage done. Unit 1: Chemistry and Our Earth © Harper. Collins. Publishers 2010

Footprint components • The components of the footprint fall into three major areas. • What do you know about your carbon footprint? Can you recognise the low and high impact activities in the following slides? Unit 1: Chemistry and Our Earth Travel Home heating Food and clothing © Harper. Collins. Publishers 2010

Travel • Sort these different ways of travelling according to their impact on your carbon footprint. Motorbike Unit 1: Chemistry and Our Earth Large car Buses and trains Air flights Walking © Harper. Collins. Publishers 2010

Travel The carbon Air flights escalator – the higher up the slope Large car the more damage done. Buses and t c trains pa m i Motorbike r e g g Bi Walking Unit 1: Chemistry and Our Earth © Harper. Collins. Publishers 2010

Home heating • Sort these according to their impact on your carbon footprint. As before, put the item with the least impact at the bottom. Gas heating Unit 1: Chemistry and Our Earth Electric heating Double glazing Loft insulation Wearing warmer clothes © Harper. Collins. Publishers 2010

Home heating The carbon Electric escalator – the heating higher up the slope Gas heating the more damage done. Double glazing t c pa Wearing warmer m i r e clothes g g Bi Loft insulation Unit 1: Chemistry and Our Earth © Harper. Collins. Publishers 2010

Food and clothing • Sort these according to their impact on your carbon footprint. Being a vegetarian Owning an allotment Eating lots of meat Unit 1: Chemistry and Our Earth Wearing natural fibres (e. g. wool, cotton) Keeping up with latest fashions © Harper. Collins. Publishers 2010

Food and clothing The carbon Eating lots of escalator – the meat higher up the slope Keeping up with the more damage latest fashions done. Wearing natural t fibres (e. g. wool, c cotton) pa m i Owning an r e g allotment g i B Being a vegetarian Unit 1: Chemistry and Our Earth © Harper. Collins. Publishers 2010