Rubbish - waste material that is no longer needed or wanted, often discarded improperly and posing a threat to the environment.

Air pollution - the presence of harmful or excessive quantities of substances in the air that can have negative effects on human health, wildlife, and the environment.

Deforestation - the clearing of forests or trees on a large scale, often for agricultural or industrial purposes, resulting in the loss of biodiversity and habitat destruction.

Water pollution - the contamination of water bodies such as rivers, lakes, and oceans with harmful substances, making it unsafe for human consumption and damaging aquatic ecosystems.

Energy waste - the inefficient or unnecessary consumption of energy resources, leading to unnecessary depletion of natural resources and increased environmental impact.

Endangered species - species of animals or plants that are at risk of becoming extinct due to factors such as habitat destruction, pollution, climate change, or poaching.