Biodiversity loss
Extinction is irreversible. While extinction is a natural process, human impacts have elevated the rate of extinction by at least a thousand, possibly several …
Environmental well-being
Waste and pollution
Pollution is waste that is harmful to the environment. Life has always produced waste but in biological systems one organism’s waste is food for …
Resource depletion
Human activity has affected the quality and quantity of natural resources available to life on earth including: Water Fossil fuels Land and soil Minerals …
Climate change
Average global surface temperatures are increasing rapidly and causing a range of problems. This warming is due the ‘greenhouse effect’ caused by certain gases …