Prominent aquanaut Fabien Cousteau urges caution in putting a price on marine ecosystems, arguing that too many actors in the blue carbon economy are focused on short-term gain and are out of sync with the way nature works. He called for blue carbon standards and slammed plans to mine the ocean floor as "reckless" without more research.

State-owned companies are taking big steps towards mining the deep seabed, but critical gaps in understanding environmental impacts remain.

The discovery that polymetallic nodules generate "dark" oxygen has frustrated mining companies and given hope to environmentalists pushing for a deep-sea mining moratorium until more is known about its impacts.

The Sustainability Leadership A-List Youth winner tells Eco-Business about the Singapore he wants to see: a carbon-neutral decarbonisation pioneer that has stopped financing fossil fuels in Southeast Asia.