The carbon cycle | GCSE Bitesize Revision
Description of the carbon cycle.
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Sea turtle conservation | A Perfect Planet
How increasing ocean temperatures affects currents, and therefore marine animals. Conservation of sea turtles example is used in this clip, including how changing sea temperatures affect their survival.
Importance of marine protected areas | A Perfect Planet
How an increase of carbon dioxide and overfishing impacts the sea ecosystem. There has been the creation of marine protected areas, trying to prevent poaching. Sharks, whales and dolphins can also accidentally get killed, for example through commercial fishing.