Crossword Puzzle Environmental Challenge: PollutionOnline version Test your knowledge on harmful substances affecting our planet's health. by adilyam 1 The process of removing trees from forests. 2 Harmful substances released into the environment, affecting air, water, or soil. 3 Rain that contains harmful chemicals from pollution, damaging plants and buildings. 4 The process of converting waste into reusable materials. 5 A form of public transport that helps reduce air pollution by carrying many people. 1 4 3 5 2 1 A type of energy that comes from natural sources like the sun, wind, or water. 2 The rise in Earth's temperature due to greenhouse gases. 3 A protective layer in the atmosphere that blocks harmful UV rays. 4 Efforts to protect and preserve natural resources and wildlife. 5 The natural home of a plant, animal, or other organism. 2 4 1 3 5