Eco Facts is a series of illustrated guides to the environmental challenges affecting our planet. Explore real-life examples of environmental threats, disasters, and solutions. Discover fascinating facts and statistics, and find out some simple ways that you can make a difference. Overpopulation in putting pressure on our planet. Too many people and excessive consumption are harming the environment and reducing supplies of natural resources. Find out why the world population is growing, which countries have the highest and lowest birth rates, and how overpopulation affects climate change. Book jacket.