| Word | Meaning | Example sentence | |
|---|---|---|---|
| pollution | n. | harmful substances in air, water, or land | Air pollution is a problem in many cities. |
| waste | n. | unwanted material that people throw away | Food waste is bad for the environment. |
| climate | n. | the usual weather conditions in a place | The climate is changing in many regions. |
| emissions | n. | gases or substances sent into the air | Car emissions contribute to pollution. |
| recycling | n. | the process of using old materials again | Recycling saves resources. |
| energy | n. | power used for heat, light, machines, or movement | Solar energy is becoming cheaper. |
| wildlife | n. | animals and plants living in nature | The forest is home to wildlife. |
| habitat | n. | the natural home of an animal or plant | Wetlands are an important habitat for birds. |
| renewable | adj. | able to be replaced naturally and used again | Wind power is renewable energy. |
| protect | v. | to keep someone or something safe | We must protect rivers from pollution. |
| reduce | v. | to make something smaller or less | We should reduce plastic use. |
| reuse | v. | to use something again | You can reuse glass jars. |
Reduce means use less. Reuse means use again. Recycle means make old material into something new.
These verbs are useful for talking about waste and everyday habits.
Pollution, waste, climate, wildlife, and habitat are common nouns in environmental discussions.
Use protect with nature and animals: protect wildlife, protect habitats.