Home›Open QuestionsCategoryOpen Questions22 entries. Click any to see everything it connects to.BrowseCompareCompare At A Past YearEnter a year to compare these entries as the atlas records them at that moment. Leave it empty for the present. A year before the common era is entered with a minus sign, so 44 BCE is minus 44.Show This YearSelect all 22Does the Sahel's post-1980s vegetation recovery mark a genuine reversal of desertification, or a temporary, rainfall-driven rebound that could revert if drought returns?Open Questions2 linksHow fully can a coral reef recover from a severe bleaching event if ocean warming continues?Open Questions2 linksHow large is the deep sea, in square kilometers?Open Questions2 linksHow Large Is the Wild Coffea arabica Population?Open Questions2 linksHow Large Is the Wild Theobroma cacao Population?Open Questions2 linksHow Many Honey Bee Colonies Exist Worldwide?Open Questions2 linksHow Many Vaquitas Remain?Open Questions2 linksHow Many Wild Saguaro Cacti Exist?Open Questions2 linksHow much of the historic Mesopotamian Marshes has actually been restored since 2003?Open Questions2 linksHow much of the ocean does kelp forest actually cover?Open Questions2 linksHow severely and how quickly will continued ocean acidification affect shell- and skeleton-building marine life across different species?Open Questions2 linksOpen Question: Antarctic PeninsulaOpen Questions2 linksOpen Question: Bolson Tortoise PopulationOpen Questions2 linksOpen Question: Canadian Boreal ForestOpen Questions2 linksOpen Question: Gobi DesertOpen Questions2 linksOpen Question: Great PlainsOpen Questions2 linksOpen Question: Indri PopulationOpen Questions2 linksOpen Question: Kruger National ParkOpen Questions2 linksOpen Question: Patagonian SteppeOpen Questions2 linksOpen Question: Sonoran DesertOpen Questions2 linksWhat is the Amazon river dolphin's range-wide population?Open Questions2 linksWhat Is the IUCN Conservation Status of the Wild Silk Moth?Open Questions2 links