TED: How we wrecked the ocean | Jeremy Jackson

The video discusses the decline of coral reefs, primarily in Jamaica, due to overfishing, pollution, and climate change. It highlights the impact of industrial fishing and habitat destruction, as well as the introduction of invasive species and nutrient pollution. The video also addresses the effects of climate change, such as coral bleaching and ocean warming, and emphasizes the need for human behavioral change to mitigate these environmental issues.

What role do introduced species play in the ecosystem as discussed in the text?

What are the effects of nutrient pollution on marine life?

What future scenarios does the speaker predict for the oceans in the coming decades?

What does the speaker suggest is necessary to address the issues facing the oceans?