What are 3Rs? Can you think of the fourth R?
reduce, reuse, recycle, refuse
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.
What are CFC gases responsible for?
destroying the ozone layer
What is sustainable energy? Give examples
green energy (solar, wind, hydro)
What's the most important building in the world and where is it located?
The seed vault is located near the North Pole.
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.