Gateway B1 Unit 6
What is sustainable energy? Give examples
green energy (solar, wind, hydro)
What is carbon footprint? How can we reduce it?
The amount of greenhouse gases we use directly or iidirectly. We can save electricity and use fuel-efficient transport.
What is water footprint? How can we reduce it?
The amount of water we use directly and indirectly. We can use dishwashers and turn the tap off while brushing teeth.