population

"[Examines] the causes and effects of population growth . . . [and] why some countries face the challenge of a young population, while other countries must maintain the quality of life for an aging population . . . [Also] explores the importance of education and economic opportunities in meeting these important challenges"--Page facing title page.

"In 2019 there were about 7.7 billion humans on Earth, more than double the number of people alive in 1969. During that fifty-year period the impact of humanity on the natural environment has increased proportionately. human activity is causing a loss of biodiversity-the diversity of plant, animal, algae, fungi, and microbe species. But the survival of humanity-and all life on earth-is directly related to biodiversity"-- Provided by publisher.

Explores the issues surrounding climate change and population displacement by placing opinions from a wide range of sources in a pro/con format.

Middle school readers will discover all the challenges in food and water production that humans face today, and learn about global efforts to battle the threat of food shortages.

Discusses maps, including what they are and how we map people, population, movement, and more.

Contains a collection of essays that examine the global consequences of continued population growth and considers the various options for dealing with its impact on the environment and natural resources.

Professor Bryan Sykes gives a firsthand account of his research into a gene which passes undiluted from generation to generation through the maternal line.

A history of demographic changes and mass migrations of human populations, that argues that periods of rapid population transition--a phenomenon that first emerged in the British Isles but gradually spread across the globe--shaped the course of world history.

"At this moment, there are more than 6 billion people on the planet. It's hard to picture so many people at one time - but what if we imagine the whole world as a village of just 100 people? ... If the world were a village tells us who we are, where we live, how fast we are growing, what languages we speak, what religions we practice and more"--Container.

In a future where the Population Police enforce the law limiting a family to only two children, Luke has lived all his twelve years in isolation and fear on his family's farm, until another "third" convinces him that the government is wrong.