scientific progress, New discoveries and knowledge in science., pollution, Harmful substances in the air or water., renewable energy, Energy from the sun or wind., fossil fuels, Natural fuels like coal and oil., sustainable development, Development that does not harm future generations., global warming, Increase in Earth’s temperature., waste, Things that people throw away., greenhouse gases, Gases that trap heat in the atmosphere.

Leaderboard

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Visual style

Mga Option

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I-switch ang template

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