The known effects of burning fossil fuels are that there is carbon dioxide being put into the atmosphere, since these products release the carbon locked up within the fossil fuel.
(these products; release; the carbon locked up within the fossil fuel) (the carbon; locked up; L:within the fossil fuel) (The known effects of burning fossil fuels; are; that there is carbon dioxide being put into the atmosphere, since these products release the carbon) (carbon dioxide; being put; into the atmosphere)
these products the carbon The known effects of burning fossil fuels carbon dioxide
release locked up are being put
the carbon locked up within the fossil fuel
L:within the fossil fuel
that there is carbon dioxide being put into the atmosphere, since these products release the carbon
into the atmosphere