Firstly, it is less threatening to our environment when we throw it away because it is biodegradable.(S2)Secondly, The paper industry has contributed positively and people have also been encouraged by government to collect their waste on a regular basis. One major difficulty is the removal of ink from used paper but advances are being made in this area. (S3)Thirdly, One major difficulty is the removal of ink from used paper but advances are being made in this area. (S4)However, we need to learn to accept paper which is generally of a lower quality than before and to sort our waste paper by removing contaminants before discarding it for collection