Part one of term paper
So, what is ? When is it coming and what is its cause? It is happening now, and we, the human race are its cause explains Richard Leakey. This phenomenon Leakey argues, is easily comparable with the big five biological crisis' of geological history, except this one is not being caused by global temperature change, regression of sea level, ...

Part two of term paper
... ultimately highlights humanity's mishandling of the natural world. Leakey's aim for his book is simply to make people aware of the real situation this planet and its ecosystems are facing, as a direct result of man. The statistics that have been compiled for '' are alarming. This is evident considering: fifty percent of the Earth's species will have vanished inside the next 100 years; mankind is using almost half of the energy available to sustain life on the planet, and this figure will grow ...