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Sigma Earth offers free trending courses on all environmental topics.

Solid Waste: Definitions, Characteristics, and Perspectives

What is Solid Waste? The term ‘solid waste’ refers to any unwanted solid material that can no...

Feb 16, 2022 |

Who Are We Welcome to Sigma Earth, your one-stop sustainability platform dedicated to creating a...

The conservation of natural resources is a practice that protects existing natural resources so...

Non-renewable energy is energy derived from sources that are finite in nature. This means that one...

Resources and Resource Degradation Natural resources are materials that exist in nature without...

We all are aware that climate change has become a significant concern. Every day, new actions have...

We all know that technology has modified the way people work, interact, shop, and even pay for...

Plastic waste refers to plastic materials that are discarded after use and not recycled. These...