Ahead of a global summit to agree a new pact to protect nature that kicks off next month, environmentalists said developing nations will need more funding to implement its goals, branding the $10 billion a year now being sought "woefully inadequate".

Governments are tasked with finalizing an agreement to safeguard the planet's plants, animals and ecosystems — similar to the Paris climate accord — at the two-part U.N. biodiversity summit due to conclude next May in the Chinese city of Kunming.

A draft of the biodiversity pact published in July includes a pledge to protect at least 30% of the planet's land and oceans by 2030 — but finding the funds needed to help nature-rich developing countries with conservation is a challenge.