1A.Introlecture

How people and earth interact people today live in

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Unformatted text preview: erty damage and loss. How People and Earth Interact People today live in areas likely to be damaged by hazardous earth processes. How Science Helps Science helps people to better understand and solve problems. Predicting volcanic eruptions, or where landslides will occur or other geohazards, is possible with science. One goal of Living with Earth (LWE) is to develop students’ understanding of how science can be part of their everyday decisions they make, especially where there are people and environment interactions. Geology as Basic Environmental Science Fundamental component of environment is geologic component. Understanding our environment requires a broad-based comprehension and appreciation of Earth sciences and related disciplines. Solving Environmental Problems is Difficult! Varied processes – physical, biological, and human (e.g. emotional) Rapidly changing problems Lag time often encountered between change and problem Possibility of irreversible change Precautionary Principle Science is preliminary, and often difficult to prove relationships between physical and biological processes and link to human processes. When a serious environmental situation arises, take a precautionary approach! Full scientific certainty is not always available. SCIENCE IN YOUR FUTURE Science can be used as a tool to address some important humanenvironment interaction issues such as: Availability of water Transition from oil to other energy sources Global climate change Figure 1-14 A Thirsty World The demand for water is increasing for drinking, sanitation, industry and agriculture. SUMMARY Earth, is like an isolated space capsule, and people have become key factors influencing its environmental conditions. People affect Earth on a local and global scale— study of this is Environmental Geology. Increasing population and consumption are global challenges and we must also address biodiversity, pollution, energy sources, and the cost of natural disasters....
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