Trevor, Robyn and Nick decide they have a mystery to solve when Trevor discovers a suspicious looking young man snooping around. They learn about missing research involving the use of carob beans to aid in cancer treatment-potentially valuable information. With a shady looking grad student, a bitter activist and an employee of a medical research firm to deal with, our amateur sleuths are faced with their greatest challenge yet.
Amazing photos and interesting facts reveal environmental issues falcons face as they hunt for food and raise their young.
Amazing photos and interesting facts reveal environmental issues hawks face as they hunt for food and raise their young.
Amazing photos and interesting facts reveal environmental issues kites face as they hunt for food and raise their young.
Discover the vital role of disappearing wetlands and what can be done to protect and restore this resource.
Encounter animals and poachers on an African Safari in this graphic high interest book.
This book provides an understanding of the impact that humans have on Earth and suggests ways to reduce damage to the environment.
Beautiful photos and text examines the issues endangered bats face and how they can be saved.
Women have made major contributions to science throughout history, including in the field of chemistry. Learn about the lives of some of the most amazing women in chemistry, from Alice Hamilton to Darleane Hoffman, as well as their exciting and important work. Discover what it takes to be a chemist. Find out about the opportunities for women in the field. Read Women in Chemistry to see if following in the footsteps of the many brilliant women who have made their mark in chemistry is something you want to do.
From the earliest times humans have shaped and changed the landscape. Historical and modern-day examples in this interesting book show how natural habitats and wilderness areas are destroyed as people need more land for farming and to build towns and cities, and how increasing urbanization of populations is adding to the problem of carbon emissions that cause climate change.
This book explains eco-friendly energy using the most current information to establish the understanding that it does not take much to make the world a better place.
Young readers will discover that it's easy to pack a lunch that is eco-friendly and yummy too!
En esta colección, explora la geología y las ciencias de la Tierra con impresionantes ilustraciones en cada libro.
En esta serie se explican las formas más importantes de energía alternativa que se usan actualmente, en este volumen conocerás todo acerca de los biocombustibles.
Aprende sobre la vida de cada planta y animal de el hábitat de los bosques tropicales y cómo los humanos podemos ayudar a protegerlo.
Young readers explore various forms of pollution and how people are cleaning up the environment.
En esta serie se explican las formas más importantes de energía alternativa que se usan actualmente, en este volumen conocerás todo acerca de la energía del Sol.
En este libro aprenderás en forma interesante y divertida sobre los procesos científicos relacionados con la fuerza, la energía y el movimiento.
En el libro se explica qué es la biodiversidad y cómo puede ayudar a conservar las especies de plantas y animales de los diferentes ecosistemas.
This book provides the history of biofuels along with their different uses, their positive and negative characteristics, and how they may impact the future.
En el libro se explica cómo se protege a la población de las inundaciones.
En esta serie se explican las formas más importantes de energía alternativa que se usan actualmente, sus ventajas y cómo se utilizan.
Young readers focus on the importance and issues of clean water.
Young readers will discover what they can do to make greener choices as they grow up.
En el libro se explica por qué los hombres debemos cuidar la tierra.