What can be done to significantly increase the adoption of cleantech and environmental education in schools?

Getting children to appreciate the environment and teaching them the concepts of sustainability from a young age is the best way to make them contribute for a better planet. the However, today in most parts of the world, effective environmental education is woefully lacking in schools. What are the concepts, frameworks, tools and techniques that can be employed to make schools worldwide provide effective cleantech and environmental education to millions of children?

How will it have a positive impact?

Putting Humans in Better Control of Planet Health

Who will it have a positive impact on?