eco-friendly, is not harmful to nature and helps protect the environment., solar energy, is energy that comes from the sun and can be used to produce electricity or light., renewable energy, is energy that comes from natural sources like the sun, wind, or water and will not run out., save electricity, means to use less electrical energy so we do not waste it., protect the environment, means to keep nature clean and safe for people, animals, and plants., reduce pollution, means to make the air, water, and land less dirty.

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自動保存: を復元しますか?