Stephanie Sammartino McPherson

"The past, present, and future of Earth is a result of climate change. Climate change affects our everyday lives, and scientists and young people are looking into what we can do to fix it."--

In 2018 the number of people displaced worldwide by violence, persecution, or natural disaster had reached 68.5 million. The United Nations Refugee Agency estimates that one person is displaced every two seconds. The world faces an unprecedented crisis as people flee their homes, seeking safety, peace, and a better future for themselves and their families. Refugees set off, often on foot or by boat, on dangerous journeys to cross international borders...

Recounts the life and accomplishments of the first woman astronomer in America.

A look at the life and military accomplishments of General Douglas MacArthur, whose career included serving as commander of the U.S. Armed Forces in the Far East during World War II.

"Behind the fame of big-time sports lies a complex web of controversy and deceit. Doping-- the use of banned performance-enhancing drugs (PEDs) to gain a competitive athletic edge -- is common in many sports. While doping can improve performance, it poses huge risks for athletes' health and careers. Some of the world's top athletes, from cyclist Lance Armstrong to professional baseball player Alex Rodriguez, have seen their images tarnished by doping...

Describes how global warming has made the Arctic's oil, gas, natural resources, and minerals more accessible and how competition between nations and corporate interests for control of the resources is endangering the Arctic's fragile ecosystems. -- Publisher's description.

Biography of Google founders, Sergey Brin and Larry Page.

A biography of two sisters from a wealthy southern family who devoted their lives to the causes of abolition and women's rights.

A biography of the brothers who, in 1903, made the first powered, controlled flight in an airplane.

A brief biography of Alexander Graham Bell that chronicles his childhood, education, and work on what became the telephone.