Relier Pairs Unlock 3 Listening U5 L1 vocabVersion en ligne Match the two halves of the sentences. Pay attention to the words in BOLD par Marci D Nelson Ozer 1 A GREENHOUSE is a hot place with large glass windows 2 Some people think we should REDUCE the amount of energy we use 3 We need to PROVIDE food 4 We produce STEAM 5 FOSSIL FUELS are a LIMITED source of energy 6 You need to REMOVE the salt from sea water 7 One SOLUTION to the problem of CLIMATE CHANGE where we can GROW plants. to make it DRINKABLE. when we HEAT water. but solar energy is UNLIMITED. not INCREASE it. is to use ALTERNATIVE sources of energy. for more and more people.