The Earth 's 34 biodiversity hotspots cover 50 percent of global plant species . The world 's 34 recognized biodiversity hotspots only cover 2.3 percent of the Earth 's land surface , and have declined by 70 percent from their original vegetation coverage . Biodiversity may only cover 2.3 percent of global landmass . Conflict between human progress and biodiversity is the greatest battle .
The Earth 's 34 biodiversity hotspots cover 50 percent of global plant species . Biodiversity may only cover 2.3 percent of global landmass . Conflict between human progress and biodiversity is the greatest battle .