SUSTAINABILITY BLT ENVT
SUSTAINABILITY BLT ENVT CVEN 4700
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This 12 page Class Notes was uploaded by Lina Vandervort on Thursday October 29, 2015. The Class Notes belongs to CVEN 4700 at University of Colorado at Boulder taught by B. Amadei in Fall. Since its upload, it has received 17 views. For similar materials see /class/231883/cven-4700-university-of-colorado-at-boulder in Civil Engineering at University of Colorado at Boulder.
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Date Created: 10/29/15
Ecological Footprint I a g Bernard Amadei Department of Civil Environmental and Architectural Engineering University of Colorado Boulder Every organism be it a bacterium whale or person has an impact a footprint on the earth The key question is whether this load exceeds What nature can support in a sustainable manner Sharing Nature s Interest N Chambers et al 2002 Sustainability Indicators Determine the impact of individuals communities nations activities on biological systems I Ecological Footgrinl Analysis I Ecological Fishgrint Analysis I Office Footgrint Indicator I Community Indicators I Genuine Progress Indicator htl wawmedefinin ro ress or new to ramssue ndllindex shtml 0 o The measures how much productive land and water area biologically productive space a population an individual a city a country or all of humanity or an activity requires to produce all the resources it consumes and to absorb all the waste it generates using prevailing technology 0 Natural capital Available biologically productive space renewable biological capacity ecological footprint demand on nature 0 ecological deficit if lt O Unsustainable From Rede ning Progress 2002 I Surface area of the Earth 51 I Ocean and inland water area 366 72 I Land area 144 28 I Biologically productive area 114 22 Land 91 Water 23 I Population 6 billion I Biologically productive area 2002 19 hectaresperson I Biologically productive area 2030 11 hectaresperson I Average ecological footprint 2002 23 hectaresperson I Ecological de cit 04 hectaresperson ln billion hectares From Rede ning Progress 2002 Country 2002 Pop Ecological Current Deficit in millions Footprint ha Capacity ha if lt0 ha World 62101 23 19 04 USA 2883 96 60 36 Canada 312 69 159 90 MeXiCO 1008 24 18 06 China 12842 16 11 05 India 10534 08 07 01 20 larger than capacity 12 yr equivalent Not counting space needed for other species From Redefining Progress 2002 TODAY S ECOLOGICAL FOOTPRINT EXCEEDS EARTH S CAPACITY t t rm o39a 39 Wc p s 1 2 wisggo 1 0 mm 7 n z E overshoot 5 8 gt 6 E 4 61 65 7o 75 so 85 90 95 99 Year Humanity s consumption and waste production today exceed the Earth s capacityto create new resources and absorb wasteWe are currently liquidating natural capitalto support current resource use reducing the Earth s abilityto supportfuture life In Summary We are liquidating natural capital to support current resource use thereby reducing the Earth s capacity to support future life The bottom line for sustainability becomes How can each person have a satisfying life Within the world s average biological capacity and not the national biological capacity of 4 7 acres 19 hectares per person or less Sustainable Development as Improving the quality of life while living within the carrying capacity of supporting ecosystems Sharing Nature 3 Interest N Chambers et al 2002 Quality of life iNot achieved Achieved r i N E L J 3 J 3 4 2 CL 5 I I U A Nature39s A carrying m l capacuty 3 E 5 m 2 8 K K V B C Minimum arrpn rahle quaiity of life Figure 13 Achieving quality of life within the means of nature mapping out the process of achieving sustainability Is the Gross Domestic Product GDP a good proxy measure of the quality of life Gross National Happiness GNH lDefinmon Wikipedia lWorld Database of Happiness
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