World Solve

Current approaches to AI tools that accelerate scientific discovery while remaining transparent and auditable either underperform under variable field conditions or generate externalities that undermine long-term sustainability and equity. Closing the gap requires coordinated advances in science, systems design and enabling institutions.

Current approaches to technologies for the selective recovery of valuable materials from complex waste streams either underperform under variable field conditions or generate externalities that undermine long-term sustainability and equity. Closing the gap requires coordinated advances in science, systems design and enabling institutions.

Informal minibus and paratransit systems in Germany carry the majority of urban commuters but operate without route optimization, safety standards, or integration with formal transit planning.

Achieving pathways for achieving high levels of energy efficiency in existing building stocks at meaningful scale demands simultaneous progress in fundamental research, engineering integration and socio-technical systems that work for low- and middle-income settings. Existing efforts remain fragmented relative to the magnitude of the challenge.

Despite recognition of its importance, reliable methods for education systems that equip citizens to evaluate scientific claims in a high-misinformation environment are still lacking. Progress is hindered by incomplete mechanistic knowledge, high capital and operational barriers, and the absence of deployment models suited to the contexts of greatest need.

Despite recognition of its importance, reliable methods for biotechnologies enabling the rapid production of medical countermeasures against emerging pathogens are still lacking. Progress is hindered by incomplete mechanistic knowledge, high capital and operational barriers, and the absence of deployment models suited to the contexts of greatest need.

Despite recognition of its importance, reliable methods for architectural innovations that make high-density living compatible with climate resilience and well-being are still lacking. Progress is hindered by incomplete mechanistic knowledge, high capital and operational barriers, and the absence of deployment models suited to the contexts of greatest need.

Organic waste makes up a large share of landfilled municipal waste in Papua New Guinea, generating methane emissions that could be avoided with accessible composting infrastructure.

A persistent gap exists in realizing practical, scalable solutions for closed-loop neuromodulation adapting to individual circuit dynamics. 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 methods for measuring and improving the quality of democratic deliberation at scale. 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 governance frameworks for the ethical use of predictive analytics in criminal justice and social services. 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.

Despite recognition of its importance, reliable methods for methods for assessing the social equity impacts of different climate mitigation and adaptation strategies are still lacking. Progress is hindered by incomplete mechanistic knowledge, high capital and operational barriers, and the absence of deployment models suited to the contexts of greatest need.

Despite recognition of its importance, reliable methods for permafrost carbon abrupt-release early warning models are still lacking. Progress is hindered by incomplete mechanistic knowledge, high capital and operational barriers, and the absence of deployment models suited to the contexts of greatest need.

Current approaches to non-invasive continuous monitoring of multiple chronic disease biomarkers either underperform under variable field conditions or generate externalities that undermine long-term sustainability and equity. Closing the gap requires coordinated advances in science, systems design and enabling institutions.

Despite recognition of its importance, reliable methods for cognitive prosthetics augmenting working memory for specific learning profiles are still lacking. Progress is hindered by incomplete mechanistic knowledge, high capital and operational barriers, and the absence of deployment models suited to the contexts of greatest need.

Achieving real-time acoustic-optical networks tracking insect biomass decline at meaningful scale demands simultaneous progress in fundamental research, engineering integration and socio-technical systems that work for low- and middle-income settings. Existing efforts remain fragmented relative to the magnitude of the challenge.

Despite recognition of its importance, reliable methods for inclusive digital public infrastructure resistant to both outages and capture are still lacking. Progress is hindered by incomplete mechanistic knowledge, high capital and operational barriers, and the absence of deployment models suited to the contexts of greatest need.

Despite recognition of its importance, reliable methods for AI systems that support rather than displace human judgment in clinical and legal settings are still lacking. Progress is hindered by incomplete mechanistic knowledge, high capital and operational barriers, and the absence of deployment models suited to the contexts of greatest need.

Current approaches to mechanisms ensuring that climate adaptation finance reaches the most vulnerable communities either underperform under variable field conditions or generate externalities that undermine long-term sustainability and equity. Closing the gap requires coordinated advances in science, systems design and enabling institutions.

The absence of robust, context-adapted solutions for solutions for providing safe drinking water in regions with high natural or anthropogenic contamination creates cascading risks across interconnected human and natural systems. Key missing elements include durable performance, low lifetime cost, and governance arrangements capable of sustaining impact beyond pilot stages.