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The number of people on Earth, where they live, and how they live all affect the condition of the environment. Changes in environmental conditions, in turn, can affect human health and well-being. Human demographic dynamics, such as the size, growth, distribution, age composition, and migration of populations, are among the many factors that can lead to environmental change. The precise impact of a given change depends on the interplay among all these factors, but it is clear that demographic ch… Continue

CLIMATE change refers to any significant change in measures of climate. Potential effects of this climate change are likely to include more variable weather, stronger and longer heat waves, more frequent heavy precipitation events, more frequent and severe droughts, extreme weather events such as flooding and tropical cyclones, rises in sea level, and increased air pollution. Other effects may result from ecosystem shifting and disruption.
Climate change is an emerging risk factor for human heal… Continue

In search of safe water

PEOPLE need clean water and sanitation to maintain their health. Water also sustains ecological systems and provides an input into the production systems that maintain livelihoods. Water security is an integral part of a broader conception of human security.

In broad terms, water security means ensuring that every person has access to enough safe water to lead a healthy life, while maintaining the ecological systems that provide water and also depend on water.

When wat… Continue