By now, we all know that carbon emissions are bad for the environment, to put it simply. Since timber originates from trees, it has the ability to store carbon. Around a tonne of carbon is stored in every cubic metre of timber, and as long as the wood is not burned or rots, the carbon remains locked in. Harvesting timber therefore causes no extra carbon to be emitted.
In fact, the harvesting and replanting process is actually beneficial when it comes to carbon storage. This is because trees absorb carbon very rapidly when they are growing, so the net effect of this process is actually removing lots of carbon from the atmosphere. Therefore, sustainably-managed timber forests in which trees are carefully harvested then replaced are an even more effective carbon store than just an undisturbed forest.