Darbas anglų kalba. Aplinkos problemos, ekologija, klimato pokyčiai ir tarša. Enviromental problems. Climate change. What does climate change mean for Northern Ireland? EHS Policy on Water Quality. What is air pollution? Acid rain. What you can do to reduce air pollution. How the greenhouse effect works. Global warming. Too much carbon dioxide. Polluting the water is easy! Effects. Cities. Ice smog. Acid rain. What causes acid rain? Acid rain. Impacts of Acid Rain. Air programme. What can happen? How big is the problem? Deforestation. Climate change.