https://www.theguardian.com/environment/2018/may/21/human-race-just-001-of-all-life-but-has-destroyed-over-80-of-wild-mammals-study The first census of the biomass on Earth was completed in 2018. It found that total biomass carbon = 550bn tonnes. Percentage of total biomass: - Plants are 82%. - Bacteria account for 13%. - Ocean life accounts for just 1%. - Humans are just 0.01%. Indicators of human impact: - Of all mammals, 96% are livestock and humans. - Of all birds, 70% are chicken and poultry. 30% are wild. Relative to humans, there are: - 3 times more viruses - 3 times more worms - 12 times more fish - 17 times more insects - 200 times more fungi - 1200 times more bacteria - 7500 times more plants