What is this?
greenhouse gases
fossil fuels
renewable energy sources
We use energy for cooling or ________ our homes.
heating
producing
polluting
Renewable energy is less ________ to the environment.
harmful
expensive
useful
Power stations burn fossil fuels like coal and oil to make electricity, which ________ greenhouse gases.
protect
provide
produce
What is this?
refrigerator
light bulb
air-conditioner
To reduce climate change, we should encourage people to _______
burn fossil fuels
use air-conditioners often
walk or cycle more
What is this?
storm
flood
global warming
Renewable energy sources cannot _______, so they can be used again and again.
run out
cut down
turn off
The use of energy is _________ climate change worldwide.
protecting
causing
avoiding