Human effects on ecosystems

i Understand data relating to human influences on ecosystems, including climate change and depletion of biological resources, including overfishing.

ii Understand the effect that treaties such as CITES have had on global biodiversity.

iii Understand the idea that sustainability of resources depends on effective management of the conflict between human needs and conservation, as illustrated by attempts to conserve fish stocks and reduce possible causes of climate change.

iv Understand the role of the scientific journals, the peer review process and scientific conferences in validating evidence related to the debate about climate change.