The Weight of Life

The video explores the concept of biomass, highlighting that humans and their livestock make up a significant portion of mammalian biomass but are a minor part of Earth's total biomass. It discusses the distribution of biomass among animals, with fish and arthropods being the most significant. The video emphasizes that plants dominate Earth's biomass, making it a 'plant planet.' It also reflects on human impact on the environment, noting our power to cause change but also our small role in Earth's history. The video concludes by advocating for a realistic perspective on our place in the world.

What percentage of total animal biomass do humans comprise?

How do humans compare to other life forms in terms of biomass?

What is the significance of understanding biomass in relation to Earth's life forms?

In what ways have humans altered their environment, as mentioned in the text?

What perspective does the author suggest we should have regarding human existence on Earth?