The document discusses environmental education, including its objectives, concepts, issues, and sustainable development. It defines environmental education as forming desirable beliefs, attitudes, values, interests and understanding about the environment to preserve it for present and future generations. Major environmental issues covered include climate change, pollution, global warming, overpopulation, waste disposal, loss of biodiversity, mining, and urban sprawl. Sustainable development is defined as meeting present needs without compromising future generations' ability to meet their own needs. The 17 Sustainable Development Goals adopted in 2015 to balance environmental, social and economic dimensions are also summarized.