Mass Extinction
Habitat Loss
At least 70% of global land area is impacted by human use:
Pasture 37%
Commercial forestry 22%
Crops 12%
Barren/rock 12%
Forests (unmanaged) 9%
Unforested ecosystems 7%
Infrastructure 1%
source: The Land Gap Report, 2022; IPCC 2019
Population Growth
Global Warming (Sea levels, Glaciers, Weather Change)
Kaya Identity: total carbon emissions = per capita income, total population, the energy intensity of economic output & the carbon content of economic output
Agriculture & Fisheries
96% of mammals are humans or livestock reared for humans,
& 70% of birds are poultry, mainly chickens (FT, 09/03/21)
Disease
Soil
Ozone
Chemical
Nuclear