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CHEMISTRY IS EVERYWHERE - PowerPoint PPT Presentation


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CHEMISTRY IS EVERYWHERE. Nature: Microorganisms shuttle chemicals (to provide nutrients for plants). Plants photoysnthesize (convert simple molecules into their food source) Release Oxygen. Animals and humans are hosts to countless microorganisms. Ecosystem Chemical Connectivity

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Presentation Transcript
slide1

CHEMISTRY IS EVERYWHERE

Nature:

Microorganisms shuttle chemicals

(to provide nutrients for plants)

Plants photoysnthesize

(convert simple molecules into their food source)

Release Oxygen

Animals and humans

are hosts to countless microorganisms

Ecosystem Chemical Connectivity

?

slide2

Shifting Baselines

What people expect as “normal” on our planet has changed over time;

especially with regard to ecosystems

slide4

Sustainability

Meeting the needs of the present

without

compromising the ability of future generations to meet their needs

slide8

In 2009 the world population is estimated to be 6.8 Bn people

Biologically productive area in the world 11 Bn hectares

11 Bn hectares per planet

Remember, average “ecological foot-print” in USA

9.7 hectares per person

What if the average “ecological foot-print” for the whole world was

9.7 hectares per person

That would require a biologically productive area of

66 Bn hectares

slide9

For everyone in the world to have the same life style as the average US citizen, a total (biologically productive) area of

66 Bn hectares is needed.

But the planet only has a total biologically productive area of

11 Bn hectares.

Therefore, 6 planets are needed!

slide12

Write a three-paragraph essay

1st paragraph:

Introduce yourself

2nd paragraph:

Describe what is important to you as you begin your study of chemistry?

3rd paragraph:

Describe what you most wonder about that relates to planet Earth