Shutterstock photo ID 1161784540.
Credit: Joakim Eriksson
Shutterstock photo ID 1435849490.
Credit: mark_gusev
Shutterstock photo ID 1452518078. Credit: River34
Credit: twentyten
Based on illustration credited Stockholm Resilience Centre, Stockholm University
Credit: twentyten
Based on Corporate strategies to deliver value to society, credited Jane Nelson, 2004.