There is a need to preserved our natural resources. The growth of population leads to an increase in the demand for food which means more space is required for cultivation. Tress in the forests are cut down to make way fro more land for farms and buildings. Animals are decreasing in number due to widespread poaching and the depletion of their natural habitat. Many species are getting extinct or are on the verge of extinction. There is a need to conserve forests and the wildlife within them. Trees are the lifeline of society. Excessive felling of trees can lead to various problems like floods, droughts, climate change and lack of resources, therefore, for sustainable development that is development that fulfils the need of future generations, it is important to save forest and wildlife. What has led to animal extinction ?