Examines rising sea levels and how human populations are contributing to this rise. Also includes research and approaches for coping with the changes that increasing sea levels may bring.

Forests are a precious natural resource, but today they are under threat across the world. They are being logged, burnt, cleared, and degraded. When managed capably, forests can flourish as havens for natural life while also providing human communities with wood, employment, and ecological services. It remains to be seen, however, whether the human race will be able to meet the challenge of forest conservation and sustainable development that is crucial...

An overview of the causes of endangered habitats and the impact on wildlife and biodiversity.

The defining challenge of the twenty-first century for the entire world may very well be the health of our atmosphere, both the delicate balance of gases in its upper reaches and the air we breathe at ground level. Increases in carbon dioxide and other greenhouse gases appear to be resulting in rapid and possibly catastrophic global warming and climate change. Pollution at lower altitudes-caused by such things as car exhaust and industrial emissions-is...