presentation 6- global warming and project formulation (1).pdf

8/17/2019 Presentation 6- Global warming and Project formulation (1).pdf

1/29

Global warming and Projectformulation

Dr. P. I. Ayantha


2/29

Relationship between Global warming andProject formulation•

All projects have impacts on environment and may contribute toglobal warming• Therefore, it is essential to design the project to minimize the

contribution to global warming


3/29

Global warming

•

Rise of averagetemperature of earth(atmosphere and oceans)

• Global warming andclimate change meansmore or less the same, orrather related

http://scienceblogs.com/gregladen/2015/06/07/warming-mean/


4/29


5/29

Global warming

• What are the causes?• What are the effects?• How to overcome?


6/29

What are the causes?• Green house gases/ green house effects

http://facweb.bhc.edu/academics/science/harwoodr/NSCI102/study/GrenHous.htm

https://www.e-education.psu.edu/earth501/content/p5_p7.html


7/29

Most are man-made reasons??)• However, there can be natural reasons too!• Solar sunspots damage ozone layer


8/29

CO2 emissions in million tons per year over the past 200years

https://commons.wikimedia.org/wiki/File:Global_Carbon _Emission_by_Type.png


9/29

http://www.seia.org/policy/envit/climate-change

http://www3.epa.gov/climatechange/science/indicators/ghg/us-ghg-emissions.html

Green house gas emissions by sector


10/29


11/29

• Deforestation

http://www.telegraph.co.uk/news/earth/environment/climatechange/11117078/UK-pays-200m-to-tackle-deforestation-in-poor-countries.html


12/29


13/29

https://drstevebest.wordpress.com/2012/06/


14/29

Relationship between Global warming andclimate change


15/29

This should bNatural Water C

does not exiWater Cycle

o Shows the movementabove and surface

o Three majowater: ice;water; and water

o Water cyclinfluence oinvolves ex(e.g. whenit releases


16/29

Effects of global warming (continue…)

•

Extremeclimatic/weatherevents

• dry areas gettingmore drier wetareas gettingmore wetter

• Prolongeddroughts

Hurricane Wilma, 2005


17/29

Do we (SL) have an issue

•

Sri Lanka is an Island with a coast line of 1660 km• Coastal zone contains about 25% of the lands, over 30% population

and 80% of tourism• All major cities, commercial hubs in coastal areas• Thus sea level increase will have direct impacts


18/29

If continues like this what will happen


19/29

What could be done?

• Mitigation• Adaptation• Prevent it (prevention is better than cure)


20/29

What is needed to keep temperature increasebelow 2C• Need to reduce emissions by 50% by 2050 (peak at 2020- too late

tackle it in 2020)• Develop countries need to cut emissions by 30% by 2020 with a pe

between 2012-2015 (many countries do so)• Developing countries cut by 20% against 1990 values by 2050


21/29

Kyoto mechanisms

• Sustainable development objectives• Joint implementation• International emissions trading (between countries)

SL is a low GHG emission country and under Kyoto protocol it does nothave any commitment to reduce. But we can sell also developedcountries can invest in developing countries and help reduce GHG and

SDAnyway we have a commitment to maintain to forest cover and

increase it, as those are CO2 sinks


22/29

Sustainable development

• Meet todays needs without compromising the ability of futuregenerations to meet their needs

• If take into consideration the current consumption of naturalresources by 2050 we may need two planets


23/29


24/29

Conclusion

• Climate change, global warming and civil projects are related• We live in a globalised society• The carbon footprint (impact on environment) from projects needs t

be minimised, as• Legislation would suggest so• Sustainability concepts- often voluntary• To get green accreditation- marketing !• Therefore, consideration of the proposed project’s carbon foot print is

essential, and this is something needs to be done at formulation stag


25/29


26/29


27/29


28/29

In 201


29/29

Thank you!

presentation 6- global warming and project formulation (1).pdf

Documents