The first conference of the UN Ocean Decade, held in Barcelona, highlighted the urgent need for comprehensive ocean conservation efforts. Marine scientists and global leaders discussed initiatives to protect and understand the seabed's critical role in the global carbon cycle and biodiversity. Key outcomes included the launch of a new sustainable ocean planning initiative, aimed at encouraging nations to commit to the sustainable management of their maritime areas. The conference also discussed the ocean's potential for climate change mitigation through blue carbon ecosystems, such as mangroves and seagrasses, which sequester significant amounts of carbon. The gathering marks a pivotal step towards integrating marine conservation with global climate goals, fostering a collaborative approach to preserving ocean health for future generations. (The Conservation)