human impacts on the ecosystem
urbanisation
over population
over fishing
destruction on forests
less biodiversity
species loss
less food for humans
genetic modifcation
caused diease
damages biosphere
polution
medical issues
lung disease
cancer
stroke
burning fossil fuel
increases carbon dioxide + greenhouse gases
ocean acidification
global warming
acid rain
absorbed by soil
poisons plants
animals eat plants and get sick
poisoned waterways
loss of marine life
oil spills