From recollecting watching a friend wrestle with a bobbit worm, to discussing the future of marine ecosystems, we talk to Dave Harasti, a celebrated marine biologist who works in marine conservation, particularly marine protected areas and threatened marine species.

When NASA launched Apollo 8 – the first manned spacecraft to leave the Earth’s orbit, reach the moon and return – they became the first humans to ever witness “Earthrise”. Floating in the perpetual darkness of space over 300,000 kilometres away from civilisation, they gazed back to take a look at our Earth; only half visible, a blue marble slowly spinning. Our blue planet.