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Environmental sustainability

Published on Mar 15, 2016

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PRESENTATION OUTLINE

Environmental sustainability

Mr. melkonian
Photo by wbeem

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what do you think are the biggest environmental problem today?

scarcity

resources are finite, some can be recycled, some regenerate, we have to manage carefully though
Photo by VinothChandar

carrying capacity

number of people that the Earth's resouirces can support indefinitely - with proper management

drawing down

using resources that should be kept for future generations

not only fossil fuels/minerals

poor management of renewable resources- fish, water, forests, air
Photo by kevin dooley

sustainable development

meet needs of present without compromising future generations

externality

side effect of doing something environmentally related - usually bad
Photo by faul

negative externality

pollution, or another annoyance to a third party- oil spills, traffic, toxic waste dumping
Photo by Werner Kunz

positive externality

benefits a third party- property values go up if cool things are built beside it

if no one in the government is saying anything...

not the firm's problem

marginal private cost vs marginal social cost

accounting for not ruining the environment - charge more, produce less...
Photo by saul.grinberg

if a firm is being ethical - charging more

consumers don't really care...
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government has to intervene

not fair to firms or consumers

subsidy

government pays producer on condition of a desired outcome

tax the polluters

is it very effective though?
Photo by Muffet

regulation

heavy government involvement if extreme toxins are used -chlorine
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tort law - class action lawsuit

sue the companies that got you sick! I'm sure that will turn out well....
Photo by WarzauWynn

pollution credit

overall reduction of 'x' pollutant - firms comply or pay fines... firms can sell their credits too