World Solve

Addressing single parents struggling 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.

No single model may cause harm when many models, sensors, contractors, and institutions interact. Legal systems need ways to assign responsibility across complex sociotechnical chains. The solution must work with limited capital, intermittent services, and local maintenance capacity. The research opportunity is to define measurable success criteria, test the approach in realistic settings, identify failure modes, and create a pathway from prototype to accountable deployment.

single-use plastic bottles flooding landfills 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.

Modern economies rely on precise timing for finance, telecom, energy, and navigation. Future systems need resilient alternatives to single-source satellite timing during cyberattacks, solar storms, and geopolitical crises. The solution must work with limited capital, intermittent services, and local maintenance capacity. The research opportunity is to define measurable success criteria, test the approach in realistic settings, identify failure modes, and create a pathway from prototype to accountable deployment.

Automated trading algorithms can sometimes trigger rapid, extreme price swings in smaller or less liquid markets, especially during unusual conditions, without any single actor intending market harm. Building safeguards against this kind of systemic risk remains incomplete.

Modern software often relies on long chains of interconnected code packages, and a single broken or malicious update deep in that chain can cascade into failures across countless unrelated projects. Making this system more resilient remains an unresolved structural issue.

A surprising amount of the internet's daily traffic runs through a small number of major cloud providers, meaning a single technical failure can take down countless unrelated websites and services at once. Reducing this concentrated fragility remains an unresolved structural issue.

As software grows to meet more complex user needs, it also grows harder for any single team to fully understand every part of it, creating hidden risks. Balancing capability with true comprehensibility remains an unsolved software engineering challenge.

People currently juggle dozens of separate logins and identity systems, each with different security and privacy standards. A single trusted, privacy-respecting identity system remains unbuilt at global scale.

Single-use plastics overwhelm systems. Bans, alternatives, and recycling can reduce pollution.

Congested ports and inefficient customs processes in countries like India and Bangladesh slow down import-export operations. Digital single-window customs clearance systems could significantly cut delays.

Slow customs processing and outdated equipment at major ports add days of delay and cost to imports and exports. Digital single-window customs systems could sharply cut clearance times.

Next-generation telescopes and gigawatt-scale space solar power arrays are too large to fit in single rocket fairings. Highly coordinated multi-robot assembly systems operating in microgravity need to be developed and standardized.

As microchips shrink, energetic cosmic particles flip memory bits more frequently, freezing flight computers. Ultra-reliable fault-tolerant voting architectures and magnetic RAM must be deployed across satellite buses.

Fast-moving consumer goods companies rely heavily on multi-layer plastic sachets to sell small product quantities affordably, generating unrecyclable plastic litter across waterways and marine systems.

Out-of-pocket medical expenditure remains the single largest cause of unexpected impoverishment in developing Asian nations due to incomplete public health coverage.

This means a single permanent member can stop global action on war, genocide, or humanitarian crises regardless of what the rest of the world wants. Reforming this without those same countries blocking the reform remains unresolved.

Thousands of dead satellites and fragments now circle the planet, and a single collision can create thousands more pieces of debris. Left unmanaged, this could eventually make some orbits too dangerous to use safely.

Personal information is scattered across emails, cloud drives, apps, and devices, with no single reliable way to search across all of it. A unified, private personal search tool remains unbuilt.

Millions of applications depend on open-source code maintained by volunteers, and a single hidden change can spread unnoticed to countless systems. A trustworthy verification system remains a major unsolved need.