Exhaust fumes, Gases released from a vehicle’s engine when fuel is burned., Emission, Substances released into the air, water, or land, especially as pollution., Carbon dioxide, A gas produced by people, animals, and vehicles that contributes to global warming., Solar energy, Energy that comes from the sun and can be used to produce electricity., Toxic, Dangerous or harmful to living things., Recycle, The process of collecting and using materials again instead of throwing them away., Greenhouse gases, Harmful gases released into the atmosphere that trap heat and contribute to climate change., Wind energy, Energy produced by moving air and used to generate electricity., Renewable energy, Energy that comes from natural sources that can be replaced and will not run out quickly.

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