What is discourse in the context of the environment or environmentalism?

Environmental discourse = environmental issue + environmental ideology

Explanation:

The ideologies focus on the core social movements and also the environmental issues that have arisen over the past decades. Concerned with the protection of environmental protection and measures related to the focus on the green ideology and politics around the world as land ethics, biodiversity ethics, and environmental ethics. Sustainable management of forest lands and natural resources in their diverse forms. It started with the industrial revolution and the first environmental movement began in the 19th century influenced by Japanese geographers currently the movement that opened to earth day that value the earth's ecological system. A newer form eco-activism such us green warriors and many non government agencies tackling the environmental issues at there levels. Like funding related to sentinemtal defense and protection of endangered species.