An Overcrowded World? Our Impact on the Planet / Over the last fifty years the world's population has more than doubled. According to experts, our ever-increasing demands will eventually exhaust the earth's supplies of fuel, water and food. Other experts argue that, as our numbers rise, scientists will develop new ways to sustain the human race without harming the environment. 'An Overcrowded World?' investigates how and why the population is growing so fast, the pressure on resources, the effects on wildlife and habitats, food distribution, living spaces and urbanization, migration and refugees and suggests ways of controlling growth.
