Biodegradable, Capable of decomposing into harmless substances by living organisms., Climate change, Long-term changes in Earth's temperature due to human activities., Decompose, To transform into simpler substances by natural processes., Eco-friendly, Not harmful to the environment., Ecostystem, A community of living things and their environment., Fossil fuels, Non-renewable energy sources formed from ancient organic matter., Greenhouse effect, To trap the heat in Earth's atmosphere, causing warming., Renewable, A natural resource that is not depleted by use, Organic, Often refers to food grown without synthetic chemicals., Waste, Unusable material produced by human activity., Wildlife, Animals living in natural habitats..

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