On Monday, delegates at the UN's COP15 biodiversity summit — which has been characterized as a "last chance" for nature's recovery — struck a landmark agreement and pledged to protect nearly a third of the planet's area by 2030.
The most prominent part of the agreement, known as "30x30," calls for a coordinated effort to designate 30% of Earth's land and ocean area as protected areas by 2030. About 17% of the planet's land and 8% of its oceans are currently protected from fishing, farming, and industrial activities.
The framework has come just in time. This agreement to protect 30% of Earth's lands, rivers, lakes, and wetlands is a step in the right direction. It can prevent mass extinctions, bolster resilience to climate change, safeguard marine ecosystems, and allow humanity to transition towards a nature-positive world.
It's unlikely that this will be fully implemented, as shown by past UN treaties. The agreement could be undermined by its failure to mobilize the promised resources as the financial commitments — including the pledge to increase overall biodiversity financing to $200B a year from all sources — are not legally binding. Also, the US is not a party to the Convention on Biological Diversity.