effect of human beings on

"Learn about how scientists have predicted the way diseases will evolve and effect our world in the future"-- Provided by publisher.

Young Razo travels from Bayern to Tira at war's end as part of a diplomatic corps, but mysterious events in the Tiran capital fuel simmering suspicions and anger, and Razo must spy out who is responsible before it is too late and he becomes trapped in an enemy land.

A collection of seven simple tales by Daniel Quinn that explore the origins of the human race.

The hydrosphere encompasses all water on Earth--from glaciers and ice to rivers and oceans. People use water every day. This title asks the question, how much do you use? Readers will learn how humans use water, how humans positively and negatively affect water, and how to protect the water supply. Meets Next Generation Science Standards.

Humans have influenced the world around them since they first walked on Earth. Hunting has impacted animal populations. Pollution and deforestation have affected habitats. Humans have also worked to protect the environment through preserves and breeding programs. In this title readers will learn about both the positive and negative impacts humans have on the biosphere. Meets Next Generation Science Standards.

Nitrogen, oxygen, argon, and carbon dioxide are all gases in Earth's atmosphere. But what happens when there is too much or two little of a certain gas? Readers will learn how every day activities such as driving, heating buildings, and using aerosols release harmful gases into the air and how it affects the air we breathe. Meets Next Generation Science Standards.

"The more we study the world around us, the more living things we discover every day. The planet is full of millions of species of plants, birds, animals, and microbes, and every single one including us is part of a big, beautiful, complicated pattern. When humans interfere with parts of the pattern, by polluting the air and oceans, taking too much from the sea, and cutting down too many forests, animals and plants begin to disappear. What sort of world would it be if it went from having many types of living things to having just one?"--OCLC.

Enna hopes that her new knowledge of how to wield fire will help protect her good friend Isi--the Princess Anidori--and all of Bayern against their enemies, but the need to burn is uncontrollable and puts Enna and her loved ones in grave danger.

Discusses various natural disasters throughout history, which includes the Lisbon earthquake of 1755, along with man-made disasters such as acid rain, the human influence on the depletion of the Earth's natural resources, and other topics.

"There's an invisible creature in the waves around Sarichef. It is altering the lives of the ... people who call the island home. A young girl and her family are forced to move to the center of the island for refuge from the rising sea level. Soon the entire village will have to relocate to the mainland. Heartbroken, the young girl and her grandfather worry: what else will be lost when they are forced to abandon their homes and their community?"--Provided by publisher.