Chapter One Introduction

This lecture will help you understand: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Environment: the total of our surroundings ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Humans exist within the environment ,[object Object],[object Object],[object Object],[object Object]

Environmental science is the study of: ,[object Object],[object Object],[object Object]

Natural resources: vital to human survival ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Natural resources = substances and energy sources needed for survival

Global human population growth ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Thomas Malthus and human population ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Resource consumption exerts impacts ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Environmental science ,[object Object],[object Object],[object Object],[object Object],The lesson of Easter Island: people annihilated their culture by destroying their environment. Can we act more wisely to conserve our resources?

Environmental science: how the natural world works ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Environmental science is not environmentalism ,[object Object]

The nature of science ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Applications of science Restoration of forest ecosystems altered by human suppression of fire Policy decisions and management practices Energy-efficient methanol-powered fuel cell car from DaimlerChrysler Technology

Scientists test ideas ,[object Object],[object Object],[object Object],[object Object],[object Object]

The scientific method ,[object Object],[object Object],[object Object],[object Object],[object Object]

Testing predictions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Experiments test the validity of a hypothesis ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The scientific process is part of a larger process ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Theories and paradigms ,[object Object],[object Object],[object Object],[object Object],[object Object]

Ethics ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Ethical standards ,[object Object],[object Object],[object Object],[object Object]

Environmental ethics ,[object Object],[object Object],[object Object],Should we conserve resources for future generations? Is it OK for some communities to be exposed to excess pollution? Should we drive other species to extinction? Is is OK to destroy a forest to create jobs for people?

Three ethical perspectives ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Expanding ethical consideration

The preservation ethic ,[object Object],[object Object],[object Object]

The conservation ethic ,[object Object],[object Object],[object Object]

The land ethic ,[object Object],[object Object],[object Object],[object Object]

Ecofeminism ,[object Object],[object Object],[object Object],[object Object],[object Object]

Environmental justice (EJ) ,[object Object],[object Object],[object Object],The U.S. has still not ratified the Basel Convention, which prohibits the international export of waste, particularly to poor nations.

Sustainability ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Sustainability ,[object Object],[object Object],[object Object],[object Object]

The “ecological footprint” ,[object Object],[object Object],[object Object],[object Object],We are using 30% more of the planet’s resources than are available on a sustainable basis!

Ecological footprints are not all equal ,[object Object],[object Object],[object Object]

The 2005 Millennium Ecosystem Assessment ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Conclusion ,[object Object],[object Object],[object Object],[object Object],[object Object]

Chapter One Introduction

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Chapter One Introduction