It is interesting to note that modern humans have been around for a very long time and lived much of it without causing much irreparable damage to the environment. Finding renewable energy sources, and the conservation of flora and fauna are both examples of how human alterations on biomes has had a positive impact on the environment. There are, however, also some negative influences such as removal of trees to increase areas of cultivation, and the increase in use of chemical fertilisers, which deteriorate the environment. Human alterations have both positive and negative outcomes, which affect different aspects of the environment.
An increase in population makes excessive demands on agriculture and livestock. Negative impacts on biomes
An increase in population makes excessive demands on agriculture and livestock. Negative impacts on biomes