- Protecting coastal “blue carbon” ecosystems like mangroves, seagrasses and salt marshes is 10 times more effective at sequestering carbon per area than terrestrial forests, and is just one ocean-based solution that can help mitigate climate change.

- But lacking such action, an IPCC report estimated that climate-induced declines in ocean health will cost the global economy $428 billion by 2050 and $1.979 trillion by 2100.

- As world leaders meet at the upcoming Leaders Summit on Climate, Chile calls for countries to advocate for the adoption of new international objectives on biodiversity, such as protecting 30% of the global ocean by 2030.

- This post is a commentary. The views expressed are those of the author, not necessarily Mongabay.