Methodological challenges for LCA of agricultural supply chains producing food, fibre and bioenergy

(1)

Angel AVADI

CIRAD, UPR Recyclage et risque,

F-34398 Montpellier, France

+33 (0)4 67 61 59 67

angel.avadi@cirad.fr

http://ur-recyclage-risque.cirad.fr

SETAC Europe 26th Annual Meeting,

_LCAS06

Methodological challenges for LCA

of agricultural supply chains

producing food, fibre and bioenergy

Across the

supply chain

Farm level

Regional level

Agricultural

LCA

System boundaries Cut-off criteria Different environmental concerns/priorities in

relation with target outputs Food Fibre Energy crops Additional impact categories Nutrition Ecological impacts

• SPOTLIGHT poster TU262: Life cycle assessment of hemp concrete blocs

• Poster TU248: Challenges for improving iLUC negative effects of biofuel demand in Spain

• Poster TU249: Environmental Impact of Food Losses from Agriculture to to Consumption in Switzerland

• PLATFORM 258: Comprehensive assessment of fruits and vegetables human health effects in a LCA context

• PLATFORM 262: Environmental Impact of food consumption in EU

• Poster TU255: The challenge of combined assessment of environmental impact and supply of essential fatty acids in omnivore and vegetarian

diets

• Poster TU256: Impacts of food consumption: a missing hot spot in LCA? • Poster TU257: Joint assessment of environmental Life Cycle

Assessment results and grape quality using multicriteria evaluation with fuzzy logic Farm typologies Regionalised LCA Multiple methods/ strategies Different environmental concerns/priorities in relation with production

strategies Conventional vs. organic Extensificationvs. ecological intensification Specialisation vs. mixed-ness Farm self-sufficiency vs. regional collaboration

• SPOTLIGHT poster TU263: A regionalised life-cycle analysis structure for sustainability assessment of bioenergy systems

• Poster TU250: Country-based and spatially-explicit Land Use Change matrix

• Poster TU251: Modelling the environmental effects of selected

agricultural management strategies with regional statistically-based LCA

• Poster TU260: How to take into account the crop rotation into Life Cycle assessment of crop at national scale? (ECOALIM project)

• Poster TU258: Grape LCA : How to better assess organic and integrated technical management routes?

Direct emissions from soil management and

animal husbandry

Multiple methods/ strategies

• SPOTLIGHT poster TU265: Modelling agricultural production: systematic analysis of secondary Life Cycle Inventories

• PLATFORM 259: Pesticides' impacts of bananas from different regions Inventory data, foreground vs background Multiple secondary data sources

Common

challenges

Allocation strategies _{Mass, energy}Biophysical Market-based ALCA vs. CLCA

Multiple methods/ strategies Water footprints _methods/Multiple

strategies

• PLATFORM 261: Which functional unit to assess environmental impacts of dairy system intensification?

• Poster TU259: A new biophysical allocation in LCA of beef cattle coproducts

• Poster TU252: Combining Life Cycle Assessment and economic

modelling to assess effects of agricultural policies on the environmental impacts of the French dairy sector

• PLATFORM 260: Towards a consensual method to assess climate change impacts from bio-based systems

• Poster TU253: Developing a data-driven model to quantify farm-specific greenhouse gas life cycle emissions for open-field tomato production on a global scale

• SPOTLIGHT poster TU264: Influence of crop management on water use of agricultural products

• Poster TU254: Water use as a regional LCA indicator in the production of bio-based succinic acid using corn and wheat as potential primary resources in France LULUC impacts: Climate change(incl. Biogenic carbon) Biodiversity Soil quality Human health Uncertainty management Multiple criteria Multiple sources and methods