Part 1 Life cycle assessment
1.Life cycle assessment methodology for agriculture: some considerations for best practices: Seyyed Hassan Pishgar-Komleh, Institute of Soil Science and Plant Cultivation, Poland and Czech University of Life Sciences Prague, Czech Republic; Paria Sefeedpari, Institute of Soil Science and Plant Cultivation, Poland; Nathan Pelletier, University of British Columbia, Canada; and Miguel Brandão, KTH Royal Institute of Technology, Sweden;
2.Key challenges in modelling of agricultural activities and their environmental impacts: Evelyne A. Groen, Wageningen University, The Netherlands;
3.The use of farm-level models to assess the environmental impact of livestock production: Alasdair Sykes, Cairistiona Topp and Robert Rees, Scotland’s Rural College (SRUC), UK;
4.Assessing the environmental impact of ruminant production systems: Taro Takahashi, Rothamsted Research and University of Bristol, UK; Graham A. Mc Auliffe, Rothamsted Research, UK; and Michael R. F. Lee, Rothamsted Research and University of Bristol, UK;
5.Using life cycle assessment to compare intensive versus extensive agricultural systems: Matthias Meier, Research Institute of Organic Agriculture (Fi BL), Switzerland;
Part 2 Modelling particular impacts
6.Modelling impacts of agriculture on freshwater: Stephan Pfister, ETH Zurich, Switzerland; and Sandra Payen, CIRAD, France and Ag Research, New Zealand;
7.Modelling the environmental impacts of pesticides in agriculture: Peter Fantke, Technical University of Denmark, Denmark;
8.Assessing socio-economic impacts of agriculture: Bo P. Weidema, Aalborg University, Denmark;
Part 3 Improvement options
9.Improvement options for agricultural crop production for food, feed and bioenergy: Benoît Gabrielle, Agro Paris Tech and Université Paris-Saclay, France; and Pietro Goglio, Wageningen University, The Netherlands and Cranfield University, UK;
10.Improving the environmental performance of horticultural production: fruits and vegetables: Cornelius Adewale and David Granatstein, Washington State University, USA;
11.Improving the environmental performance of pig and poultry production: Ben Putman, Martin Christie and Greg Thoma, University of Arkansas, USA;
12.The environmental impact of valorising agricultural by-products: Jerke de Vries and Rik Eweg, Van Hall Larenstein University of Applied Sciences, The Netherlands;

With over 25 years of experience in life cycle assessment research, Dr Weidema is a Professor at Aalborg University in Denmark, President of the International Life Cycle Academy, founder of 2.-0 LCA consultants and former Chief Scientist for the Ecoinvent database.