climatic changes

When three children endure separate climate change disasters--a wildfire in the California woods, a close encounter with a hungry polar bear in Canada, and a massive hurricane in Florid--they emerge from their experiences committed to changing the world.

Explores extreme weather, such as hurricanes, floods, droughts, and climate change, and discusses its impact on humans as well as efforts to protect the planet.

Looks at how human activities have affected Earth's environment over the course of the twentieth century, discussing climate, global warming, deforestation, endangered species, environmental pollution, and other topics, and explores the need to establish new policies and practices for interacting with and using natural resources.

Examines the scientific processes that create climate and weather and looks at their impact on human life, discussing weather extremes, air masses and weather patterns, climate change, the Earth and sun, and cyclones, hurricanes, and tornadoes. Includes cumulative indexes, sidebars, illustrations, and glossaries.

Looks at the history of global climate accords, their challenges and triumphs, and their impact on the future of the planet.

Examines a variety of man-made and natural disasters, their causes, and the ways in which people have rebuilt and recovered in the aftermath.

"Johansen examines the sanctioned activities and practices commonly touted as environmentally responsible and points out their failings. He explains why the global climate change problem is more urgent than many people think, and provides real-world examples of companies that are taking measures with genuine benefits to the environment"--Dust jacket.

"To mark the birth of the seven billionth citizen of planet Earth in 2011, National Geographic magazine commissioned seven articles that explore the issues of demographics, food security, climate change, fertility trends, and managing biodiversity."--Provided by publisher.

"Climate change is increasingly causing challenges worldwide. However, scientists are also learning more about its causes, effects, and how to prevent some of the worst outcomes. This . . . title allows readers to explore these discoveries about how climate change and global warming are shaping human communities and the natural world. It also empowers . . . scientists and leaders to advance technology that limits carbon emissions and allows communities and wildlife to adapt to a rapidly changing world"--Provided by publisher.

Explains the image of having eight billion humans in the world and the problems created for Earth's future.