eco-conference
noun [ C ]
ENVIRONMENT, MEETINGS ukusa meeting to discuss a company's or organization's plans to protect the environment:
Staff from all regions discussed how to make the business more environmentally friendly at an eco-conference yesterday.
a conference (= large formal meeting) that is organized in a way that has little or no damaging effect on the environment:
The company is planning to plant a tree for every delegate who attends the eco-conference to help offset its environmental impact.