Big Sustainability

Introduction to Ecology and Earth Sciences


First published on January 27, 2019


Disk of Earth featuring Africa and cloud swirls again space

Earth as seen from Apollo 17 (credit: NASA)

The Earth’s ecosystem places a crucial role in sustainability. We breath the air, drink the water and are dependent upon sunlight for food. Therefore it is good to refresh one’s memory with a few facts about it. The Earth Sciences (often called Geosciences) include Atmospheric ScienceĀ (Meteorology), Geology and Oceanography.

Ecology is the relationships between living organisms and their relationships with the environment. Ecology studies energy and matter flows, and the dynamic relationships between entities an ecosystems. Food webs and the changes of populations over time are important matters in ecology.

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