The temperature will rise unless we save energy., , A lot of fish will die unless we stop polluting the sea., , We will waste a lot of water unless we give up having long showers., , Air pollution will get worse unless we use public transport and walk more., , We will have a lot of leftovers unless we cook the right amount of food., , There will be fewer and fewer trees unless we reuse paper more often., , Our landfills will be full soon unless we throw away less., , It is very difficult for the dolphins to live in the sea unless humans change their habits. , .

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