Sustainability and the Environment. A global and personal perspective. The Sustainability Triangle . Social Equity . The quest for sustainability. Economic Environmental
A global and personal perspective
The quest for sustainability
Our “stuff” is moving from a source to a sink too fast!
The “source” of
resources is limited.
Today, 1.4 billion people do not have safe water.
Agriculture, through crop irrigation consumes 80 to 85% of the fresh water resources of the United States.
Half of the cropland in the US is eroding at rates faster than they are being replaced. About 75% of US
topsoil has already
Humankind expends in one year an amount of fossil fuel that it took nature roughly a million years to produce.
The “sink” is also
Since WWII we have produced about 70,000 new chemicals.
There is no place that is clean on earth
About 80% of adults and 90% of children have pesticide residues in their bodies.
Denver study – homes near busy streets – 6X cancer rate in kids
From Fossil Fuel Burning
Carbon dioxide release by Americans is 2X in Japan or the UK
Billions of people
Black Death–the Plague
Ecological Footprint: A measure of the “load” imposed by a given population on nature, or the land necessary to sustain resource consumption and waste discharge.
Our Ecological Footprint, by M. Wackernagel and W. Rees
Footprint data for 8 countries
Is that the whole story? How about….
The world was made for humans to use
One person can’t really make a
Resources will run out anyway, so I
might as well get my share now
Economy –limited & expanded
sense of self
Equity – hierarchy & holarchy
Environment – flow through & cycles
One way ticket!
Dig it up
Use it up
Dump it out
Both the source and the sink!
Source is limited
Sink is limited
A return ticket!
Send it back
Dig it up
Use it again
Reduce Use of
Recover Technical Nutrients
William McDonough proposes moving from “cradle to grave” manufacturing systems to “cradle to cradle”
Hate breeds hurt - hurt breeds hate…
Eastern European democracy “explodes”
Open the door for the next person
The circle of life
Seeing Nature by Paul Krafel