1. Conservation (Pemuliharaan): preservation, protection, or restoration of the natural environment and of wildlife.
2. Contamination (Pencemaran): the action or state of making or being made impure by polluting or poisoning.
3. Deforestation (Pembasmian hutan): the action of clearing a wide area of trees.
4. Disposable (Pakai buang): (of an article) intended to be thrown away after use.
5. Ecosystem (Ekosistem): a biological community of interacting organisms and their physical environment.
6. Emission (Pancaran): the production and discharge of something, especially gas or radiation.
7. Endangered (Terancam): (of a species) seriously at risk of extinction.
8. Fossil fuel (Bahan api fosil): a natural fuel such as coal or gas, formed in the geological past from the remains of living organisms.
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