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Essential indicators for measuring site-based conservation effectiveness in the post-2020 global biodiversity framework

Work on the post-2020 global biodiversity framework is now well advanced andwill outline a vision, goals, and targets for the next decade of biodiversity conser-vation and beyond. For the effectiveness of Protected areas and Other Effectivearea-based Conservation Measures, an indicator has been proposed for “areasmeeting their documented ecological objectives.” However, the Convention onBiological Diversity (CBD) has not identified or agreed on what data shouldinform this indicator.

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The proportion of Earth’s surface designated as “protected” has expanded over the past decade. But new findings show these areas have failed to improve the state of the environment, casting doubt on government commitments to biodiversity conservation.