World Solve

The problem of water sanitation and hygiene gaps persisting continues to affect hundreds of millions of people and undermines progress on multiple Sustainable Development Goals. Existing responses remain fragmented, under-resourced and poorly adapted to local contexts. A strong solution must operate effectively under severe constraints of skilled personnel, infrastructure, electricity and connectivity. It should define clear measurable outcomes, identify possible unintended harms, and demonstrate how the intervention can be sustained by local institutions long after initial funding ends.

Future progress on human development and planetary health depends on solving ethnic inequalities persisting. Conventional approaches have proven insufficient. The required intervention must integrate community knowledge, data and appropriate technology while remaining affordable, privacy-preserving and operable with minimal external support. Strong solutions will articulate measurable impact metrics, risk mitigation strategies, and a plan for sustained operation by local actors after the pilot phase.

Addressing white saviour narratives persisting is critical for achieving the 2030 Agenda. Current efforts fall short in scale, speed and equity, leaving the most vulnerable behind. Any viable solution must function in low-resource settings with limited specialists, transport, laboratory capacity and broadband. Proposals should specify quantifiable biological, social or environmental outcomes, openly discuss potential risks, and present a realistic pathway for long-term maintenance and local ownership beyond short research pilots.

Faint visual residues of dreams that remain visible solely to the individual can cause confusion, distraction, or isolation. The problem is supporting healthy dream-waking transitions without residual perceptual interference that others cannot share or verify.

Fabrics that log the heat signature of every touch create persistent records of physical interaction. The problem is preventing wearable materials from becoming continuous contact surveillance devices.

Spoken dialogue that produces persistent aerial annotations can create distraction, privacy leaks, and unequal access to context. The problem is managing real-time annotation layers so they remain optional and controllable by speakers.

persistence of tuberculosis as a major killer remains one of the most urgent challenges of our time. Systems currently in place are inadequate for the scale and complexity of the problem. A successful approach must work where resources are scarcest and demonstrate clear, measurable results. It should identify possible harms, respect local agency, and show how the solution can be maintained and expanded by the communities it is meant to serve.

Spoken words may leave lasting sonic residues audible only to selected listeners, creating hidden layers of communication and potential surveillance. The challenge is controlling persistence, access, and erasure of these echoes so they do not undermine privacy or create invisible social hierarchies.

When people rent out unused cognitive capacity during daydreaming, buyers may leave behind persistent mental traces. The problem is creating clean separation between leased neural resources and the host’s own cognition so that temporary economic use does not produce lasting psychological or identity effects.

Future progress on human development and planetary health depends on solving persistent gender pay gap for equal work. Conventional approaches have proven insufficient. The required intervention must integrate community knowledge, data and appropriate technology while remaining affordable, privacy-preserving and operable with minimal external support. Strong solutions will articulate measurable impact metrics, risk mitigation strategies, and a plan for sustained operation by local actors after the pilot phase.

A persistent gap exists in realizing practical, scalable solutions for methods for restoring the carbon and biodiversity values of degraded peatlands and wetlands. Scientific understanding, engineering readiness and institutional capacity remain insufficient to translate promising concepts into durable impact under real-world constraints of cost, skills and governance.

A persistent gap exists in realizing practical, scalable solutions for technologies for detecting and neutralizing chemical and biological threats at public venues. Scientific understanding, engineering readiness and institutional capacity remain insufficient to translate promising concepts into durable impact under real-world constraints of cost, skills and governance.

Networks of compromised devices, often unknowing to their owners, can be rented out cheaply on illicit markets for attacks like large-scale website disruptions. Dismantling these persistent botnet infrastructures remains an ongoing cybersecurity challenge.

Wireless carriers often prioritize dense urban areas for network upgrades because they're more profitable to build out, leaving rural regions with slower, less reliable coverage. Closing this rural connectivity gap remains a persistent infrastructure challenge.

Pirated or counterfeit software remains a common vector for malware distribution, and current detection and prevention methods haven't fully closed this persistent security gap. This continues to put both individual users and organizations at unnecessary risk.

Persistent symptoms after infections strain health systems and productivity, yet mechanisms are incompletely understood. Large longitudinal cohorts and mechanistic studies are needed to inform care pathways.

Persistent symptoms after infections strain health systems and productivity, yet mechanisms are incompletely understood. Large longitudinal cohorts and mechanistic studies are needed to inform care pathways.

Bioprinting and stem-cell therapies may not scale fast enough to meet demand. Organ-allocation optimisation and cross-border sharing platforms remain important.

Income, wealth, and access to quality services are highly skewed, limiting social mobility and cohesion across the region. Data-driven social policy design and targeted redistribution mechanisms could help escape the inequality trap.

Productivity, wage, and service gaps fuel political tension and migration. Spatial data platforms and targeted regional-investment models can support cohesion.