- Carbon dioxide is released when we burn fossil fuels._ˈkɑːr.bən ˈdaɪ.ɒk.saɪd ɪz ˌriːˈliːst ˈwen wiː bɜːn ˈfɒs.əl ˈfjuːəlz. Kárbân dáióksáid iz rílíst uên uí bârn fósâl fiúâlz.O dióxido de carbono é liberado quando queimamos combustíveis fósseis.ˈkɑːr.bən ˈdaɪ.ɒk.saɪd ɪz ˌriːˈliːst ˈwen wiː bɜːn ˈfɒs.əl ˈfjuːəlz. Kárbân dáióksáid iz rílíst uên uí bârn fósâl fiúâlz.
Carbon dioxide is released when we burn fossil fuels.