World Solve

Tropical forests host a huge share of the world's biodiversity, and converting this land for farming, even when done for legitimate food needs, often results in permanent species loss. Balancing food production with biodiversity protection remains unresolved.

Various seafood sustainability labels exist, but standards and enforcement vary enough between certifying bodies that consumers can't always trust what a label truly guarantees. Creating a single, reliable global standard remains unresolved.

Construction and demolition debris makes up a significant share of total waste in many rapidly growing cities, and recycling this material at scale remains inconsistently practiced. Reducing this waste stream remains an unresolved urban sustainability issue.

A fungal disease combined with habitat destruction has driven sharp declines in amphibian populations across many regions, and effective large-scale intervention remains limited. Protecting these ecologically important species remains an unresolved conservation priority.

Some carbon offset programs have been found to overstate their actual climate benefit or allow the same emissions reduction to be claimed by multiple parties. Building a fully transparent, verifiable offset system remains an unresolved challenge.

Coastal development can interfere with natural sand replenishment processes, compounding the erosion already caused by rising sea levels. Balancing coastal development with long-term shoreline stability remains an unresolved planning challenge.

Textile factories, especially in regions with weaker environmental regulation, often release dye chemicals directly into rivers, causing serious water pollution. Making this process clean and affordable at industrial scale remains an unresolved challenge.

Old-growth forests support unique biodiversity that can't simply be replaced by planting new trees, since the ecological complexity takes centuries to develop. Protecting the last remaining old-growth forests remains an urgent, unresolved conservation priority.

Colony collapse disorder continues to threaten commercial and wild bee populations that are essential for pollinating much of the global food supply. A comprehensive solution addressing all contributing factors at once remains unresolved.

Poaching and illegal trade continue to threaten species like elephants, rhinos, and pangolins despite international protections, because enforcement remains inconsistent and demand persists. Closing this gap between law and enforcement remains an unresolved global conservation issue.

Seagrass meadows are highly effective at storing carbon and supporting marine life, but they continue to decline due to pollution, dredging, and coastal development. Restoring them at a pace that matches their loss remains an unresolved challenge.

Bycatch, the unintentional capture of dolphins, sea turtles, and other non-target species in fishing gear, remains a significant driver of population decline for several marine species. Designing gear that fully prevents this remains technically unresolved.

As farmland expands to meet growing food demand, it frequently cuts through pathways that wildlife species depend on for seasonal migration. Balancing agricultural needs with preserving these corridors remains an unresolved land-use challenge.

Biodegradable packaging alternatives exist but often don't yet match the protective qualities of traditional plastic needed to keep food safe and fresh for the same duration. Closing this performance gap remains an unresolved materials science challenge.

Sharks reproduce much more slowly than most fish, making their populations especially vulnerable to overfishing and slow to recover even after protective measures are introduced. Enforcing sustainable limits globally remains an unresolved challenge.

As temperatures rise, alpine species are forced to migrate to higher elevations, but many eventually run out of mountain left to climb, risking extinction. Protecting these increasingly squeezed ecosystems remains an unresolved conservation priority.

Many e-waste recycling operations, particularly in lower-income countries, expose workers to toxic materials with inadequate safety protections. Making this growing industry both effective and safe for workers remains an unresolved labor and environmental issue.

Excess nitrogen from agricultural fertilizer washes into rivers and eventually the ocean, fueling algae blooms that deplete oxygen and create dead zones where marine life can't survive. Reducing this runoff while maintaining crop yields remains an unresolved balancing act.

Dams provide clean energy and water management benefits but can block the migration routes that many freshwater fish species depend on to reproduce. Designing infrastructure that serves both human and ecological needs remains an unresolved engineering challenge.

Aggressive logging can strip forest soil of the nutrients and structure it needs to regenerate tree cover, sometimes leading to long-term land degradation. Making logging practices consistently sustainable remains an unresolved global industry challenge.