Science

1. The hierarchical levels in an ecosystem, defined by how organisms obtain energy, from producers to primary and secondary consumers.
5. An international organization established on October 24, 1945, following World War II. It was created to promote peace, security, and cooperation among countries worldwide. Often referred to as the UN.
10. The process of converting waste materials into reusable materials, thereby reducing the consumption of new raw materials.
11. A community of living organisms interacting with each other and their physical environment.
12. The ability to maintain an ecological balance and conserve natural resources to support the wellbeing of future generations.
13. The natural environment in which a particular species or community of organisms lives.
14. The responsible management and protection of natural resources and biodiversity to prevent depletion and ensure sustainability.
15. A long-term change in the average weather patterns of Earth, primarily driven by human activities, such as burning fossil fuels.

2. A species that is at risk of extinction due to habitat loss, environmental changes, or other factors.
3. The process of making an area more urban, which can lead to habitat destruction and increased pollution, but can also promote innovative sustainability practices.
4. The process of capturing and storing atmospheric carbon dioxide to reduce the impact of climate change.
6. Seventeen development goals created by the United Nations for countries to aim for to improve national and global environmental sustainability.
7. The variety of life in a particular habitat or ecosystem, including the number of different species and genetic diversity.
8. The introduction of harmful substances or products into the environment, which can affect air, water, and soil quality.
9. The total amount of greenhouse gases emitted by an individual, organisation, event, or product, expressed as carbon dioxide equivalent.