Population growth Our increasing numbers are using excessive amounts of the Earth's limited resources.

Overconsumption Industrialized societies are using more resources per person from our planet than people from poor nations.

Advancing Technologies Often we introduce technology without knowing how it will influence the environment

Direct Harvesting This has resulted in a large loss of rainforest and the many products associated with its biodiversity.

Pollution Land, air, water, and nuclear pollution have had many adverse influences on ecosystems.

Atmospheric Changes These include the addition of Greenhouse gases mostly due to the burning of fossil fuels and depletion of our stratospheric ozone layer.

Other pollutants also have negative effects on living things.