NDLI: A life cycle carbon dioxide inventory of the Million Trees Los Angeles program

Content Provider	Springer Nature Link
Author	McPherson, E. Gregory Kendall, Alissa
Copyright Year	2014
Abstract	This study seeks to answer the question, “Will the Million Trees LA (Million Trees Los Angeles, MTLA) program be a carbon dioxide (CO$_{2}$) sink or source?” Because there has never been a full accounting of CO$_{2}$ emissions, it is unclear if urban tree planting initiatives (TPIs) are likely to be effective means for reaching local reduction targets.Using surveys, interviews, field sampling, and computer simulation of tree growth and survival over a 40-year time period, we developed the first process-based life cycle inventory of CO$_{2}$ for a large TPI. CO$_{2}$ emissions and reductions from storage and avoided emissions from energy savings were simulated for 91,786 trees planted from 2006 to 2010, of which only 30,813 (33.6 %) were estimated to survive.The MTLA program was estimated to release 17,048 and 66,360 t of fossil and biogenic CO$_{2}$ over the 40-year period, respectively. The total amount emitted (83,408 t) was slightly more than the −77,942 t CO$_{2}$ that trees were projected to store in their biomass. The MTLA program will be a CO$_{2}$ sink if projected 40-year-avoided fossil fuel CO$_{2}$ emissions from energy savings (−101,679 t) and biopower (−1,939 t) are realized. The largest sources of CO$_{2}$ emissions were mulch decomposition (65.1 %), wood combustion (14.5 %), and irrigation water (9.7 %).Although trees planted by the MTLA program are likely to be a net CO$_{2}$ sink, there is ample opportunity to reduce emissions. Examples of these opportunities include selecting drought-tolerant trees and utilizing wood residue to generate electricity rather than producing mulch.
Starting Page	1653
Ending Page	1665
Page Count	13
File Format	PDF
ISSN	09483349
Journal	The International Journal of Life Cycle Assessment
Volume Number	19
Issue Number	9
e-ISSN	16147502
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2014-07-02
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Carbon footprint Carbon sequestration Climate change Life cycle inventory Tree planting Urban forestry Urban trees Environment Environmental Economics Environmental Engineering/Biotechnology Environmental Chemistry
Content Type	Text
Resource Type	Article
Subject	Environmental Science

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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