Matching Pairs Humans in Nature VocabularyOnline version Test your knowledge about the relationship between humans and nature with this fun matching pairs game! by Zuzana Birošová 1 climate change 2 ecosystem 3 reforestation 4 renewable energy sources 5 wildlife 6 recycle 7 carbon 8 greenhouse gas 9 environmentalist 10 pollution a community of living organisms and their environment a chemical substance contained in all plants and animals clean energy that comes from natural sources or processes that are constantly replenished the planting of trees and plants to help a damaged or destroyed forest recover the contamination of the environment, by industrial waste products or chemicals a gas in the atmosphere that stops heat from escaping into space a person who protects the natural world and educates others about environmental problems animals, birds, insects, etc. living naturally in the wild to make something new from materials that have been used before Long-term alteration of temperature and typical weather patterns