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Environment Presentation templates

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Eco-Friendly Pitch Deck

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Biosphere and Climate Change Meeting

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Environmental Lesson for Middle School

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Companies are essential for a region’s economy, culture and society, and as such they should always contribute to the principles of sustainable development. Do you need to give a presentation about your CSR and want to do it with style? Let us help you.

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Introduction to Environmental Science Powerpoint Lecture

This Powerpoint presentation is designed for the first meeting of a survey-level Introduction to Environmental Science course. The lecture briefly covers many of the fundamental ideas and issues behind the discipline and serves as a good preview for the material covered in the rest of the course.

The Powerpoint begins with an introductory a narrative to frame the rest of the material. In this case, I begin with the events leading up to the debate surrounding and eventual construction of the Hetch Hetchy dam in Yosemite National Park. This is a great example of an early clash between two distict types of environmental ethics -- the resource conservationists and nature preservationists. The rest of the lecture is spent discussing some of the broad environmental issues -- resource conservation, pollution, developed vs. developing countries, and sustainability.

Course Syllabus | Student Notes Outline | Study Guide | Pre-Test | Movies

Essential concepts: Environmental science, renewable resources, nonrenewable resources, pollution, biodiversity, environmental ethics, Tragedy of the Commons, developed countries, developing countries, sustainability.

Test questions: Available for purchase at the environmental science instructor resources subscription page.

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Introducing Environmental Science and Sustainability

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Introducing Environmental Science and Sustainability

Nov 08, 2019

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Introducing Environmental Science and Sustainability. 1. Overview of Chapter 1. Human Impacts on The Environment Population, Resources and the Environment Sustainability Environmental Science Addressing Environmental Problems. Food as a Lens for Environmental Study.

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Introducing Environmental Science and Sustainability 1

Overview of Chapter 1 • Human Impacts on The Environment • Population, Resources and the Environment • Sustainability • Environmental Science • Addressing Environmental Problems

Food as a Lens for Environmental Study • Chicken sandwich requires wheat, chicken, other ingredients, energy to manufacture and transport to table, energy to treat generated wastes and packaging. • Our choices matter and affect the environment • What do you think about when you make your food choices?

The Environment (Earth) • Life has existed on earth for 3.8 billion yrs. • Earth well suited for life • Water over ¾ of planet • Habitable temperature, moderate sunlight • Atmosphere provides oxygen and carbon dioxide • Soil with essential minerals for plants

Human Impacts on Environment- Population • Modern humans appeared ~100,000 years ago in Africa and quickly expanded • Now, human population is ~7.1 billion • Growing exponentially • Estimates of 8-11 billion by end of 21st century • We are the most significant agent of environmental change

Gap Between Rich and Poor • Rising income disparity in many countries • Large gap between wealthy and poor citizens • Differential access to electricity, cars, modern medicine • Ex: China, India, Brazil, Mexico

Population • More than 1 in 4 people live in extreme poverty • Cannot meet basic need for food, clothing, shelter, health • Difficult to meet population needs without exploiting earth’s resources

Gap Between Rich and Poor • Countries were differentiated based on wealth • Highly Developed Countries (HDC) • Complex industrialized bases, low population growth, high per capita incomes • Ex: US, Canada, Japan • Less Developed Countries (LDC) • Low level of industrialization, very high fertility rate, high infant mortality rate, low per capita income • Ex: Bangladesh, Mali, Ethiopia

Population and Resource Use • Essential resources for individual survival are small • Rapidly increasing population can quickly overwhelm or deplete, especially locally • Resource consumption can far outweigh needs of survival • Affluent nations use larger portions and can exhaust resources globally

Population and Resource Use • Movements in highly developed nations are changing demand • Tiny house movement • Houses of typically <1,000sqft

Types of Natural Resources

Consumption • Consumption • Human use of materials and energy • People in HDCs are big consumers • Unsustainable Consumption • Occurs when the level of demand on a country’s resources damages or depletes the resource enough to reduce the quality of life for future generations • Caused by overpopulation and/or overconsumption

Ecological Footprint • The average amount of land, water and ocean required to provide that person with all the resources they consume

Ecological Footprint • Humans have an ecological overshoot

Ecological Footprint Comparison

Environmental Impact Affluence per person I = P A T Environmental effect of technologies Number of people IPAT Model • Measures 3 factors that affect environmental impact (I)

Fuel efficient vehicles • Average fuel economy • 22.1 mpg (1988) • 20.4 mpg (2000) • SUV popularity • Fuel efficient vehicles can lower impact • Efficient driving

Environmental Sustainability

Environmental Sustainability • The ability to meet current human need for natural resources without compromising the needs of future generations • Requires understanding: • The effects of our actions on the earth • That earth’s resources are not infinite

Tragedy of the Commons • Garrett Hardin (1915–2003) • Solving environmental problems is result of struggle between: • Short term welfare • Long term environmental stability and societal welfare • Common pool resources • Garrett used common pastureland in medieval Europe to illustrate the struggle

Sustainable Development- Systems Concept • Economic development that meets the needs of the present generation without compromising future generations

Environmental Science • An interdisciplinary study of human relationship with other organisms and the earth • Biology • Ecology • Geography • Chemistry • Geology • Physics • Economics • Sociology • Demography • Politics

Earth System and Environmental Science • System • A set of components that interact and function as a whole • Global Earth Systems • Climate, atmosphere, land, coastal zones, ocean • Ecosystem • A natural system consisting of a community of organisms and its physical environment

Feedbacks • Negative feedback • Change triggers a response that counteracts (reverses) the changed condition

Feedbacks • Positive feedback • Change triggers a response that intensifies the changing condition • Ex: polar and glacial ice melt, color change leading to more rapid melting

Scientific Method

Controls and Variables in Experiment • Variable • A factor that influences a process • The variable may be altered in an experiment to determine its effect on the outcome • Control • The variable is not altered • Allows for comparison between the tests of when we alter the variable and when we do not alter the variable

Scientific knowledge and theory • Theory • Integrated explanation supported by large body of observations and experiments, and evaluated by peer review • Simplifies, clarifies, and predicts new relationships within the natural world • Absolute truth is not possible in science • Knowledge evolves as new evidence is found

Climate Change • Hypotheses and theory • CO2 and other gases from burning fossil fuels are affecting climate • Unable to test or run large experiments globally • Must acquire lots of data and adapt theories and understanding with new data • Many parts of climate theory are tested • CO2 rise in atmosphere and impact on solar radiation

Five Steps to Addressing An Environmental Problem • Five steps represent ideal approach • Reality is untidy • Often, public pushes for a solution

Assessing Environmental ProblemCase Study: Lake Washington • Large, deep freshwater lake • Suburban sprawl in 1940’s • 10 new sewage treatment plants dumped treated effluent, high in nutrients, into lake • Effect = excessive growth of cyanobacteria • Bacterial decomposition of cyanobacteria depleted O2

Assessing Environmental ProblemCase Study: Lake Washington • Scientific Assessment • Scientists from University of Washington studied problem and collected data • Study informed Washington Pollution Control Commission (1955) • Commission concluded that effluents added nutrients, particularly phosphorus • Nutrients caused growth of cyanobacteria • Cyanobacteria decomposed by bacteria depleting O2 • Low O2 reduced fish and small invertebrates • If pollution stopped, lake would recover

Assessing Environmental ProblemCase Study: Lake Washington • Recovery Plan • Many political hurdles in passing a plan • Accepted bill was most ambitious and expensive pollution control project in U.S. at the time • Treated sewage was diverted into trunk sewer that ringed lake (starting in 1963) • Eventually discharged into Puget Sound, where it would have less effect • By 1975, lake was heathy and water was clear • Today, work to reduce waste generation in view of greater population around lake

Assessing Environmental ProblemCase Study: Lake Washington • Data shows recovery plan working

ENVIRONEWS • Green roofs or eco-roofs • Vegetation and soil on impervious roofs that act as a mini-ecosystem that: • Insulates buildings reducing energy costs • Filters out pollutants from rainwater • Reduces storm water runoff into sewers • Provides habitat for wildlife or food for humans • Largest individual green roof in U.S. on Ford Motor Company factory in Michigan

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