World Solve

Current desalination technology consumes large amounts of fossil-fuel energy, undermining sustainability goals. Solar-powered desalination research could make the process both cheaper and greener.

Most informal workers have no employer-based retirement savings, risking poverty in old age as populations age rapidly. Portable, mobile-based voluntary pension schemes could extend coverage to gig and informal workers.

Smaller countries lack the compute infrastructure and talent pipelines to participate meaningfully in the AI race, risking long-term digital dependency. Regional shared compute clusters and cross-border research partnerships could help.

Major language models and voice assistants poorly support languages like Bengali, Vietnamese, or Tagalog, excluding large populations from digital tools. Building region-specific language datasets is a major open opportunity.

Overgrazing and unsustainable land use are turning productive land into desert, threatening herding communities' livelihoods. Large-scale reforestation and sustainable grazing management programs could slow the spread.

Formal job creation has not kept pace with the large number of young graduates entering the workforce each year. Skills-matching platforms and support for youth entrepreneurship could help absorb this workforce.

Pumping groundwater for irrigation consumes large amounts of electricity, creating a compounding resource strain in water-and-energy-scarce regions. Solar-powered efficient irrigation pumps could reduce both water and energy waste simultaneously.

Fewer than 1.4 psychiatrists exist per 100,000 people in many countries, leaving depression and trauma largely untreated. Telepsychiatry platforms and trained lay counselors could extend coverage cheaply.

High upfront capital costs and weak grid infrastructure deter renewable energy investment despite ideal conditions. Innovative financing models and mini-grid interconnection standards could accelerate deployment.

Without affordable storage, solar power in Africa cannot run appliances at night or during cloudy periods. Local battery assembly and recycling ventures could lower costs and create jobs.

Migrant workers sending money home lose a large share to transfer fees, reducing funds available for families. Blockchain-based remittance corridors could cut costs to a fraction of current rates.

Rising borrowing costs and currency depreciation mean debt servicing now consumes large shares of national budgets, crowding out health and education spending. Transparent debt-management dashboards could improve public accountability.

Different gauges and disconnected networks between countries hinder efficient continental trade. New standard-gauge rail corridors linking regional economies are underway but need faster completion.

Overgrazing, deforestation, and reduced rainfall are turning arable land into desert, forcing migration and fueling conflict. Large-scale reforestation efforts like the Great Green Wall need faster, better-funded implementation.

Conflict and climate shocks have displaced tens of millions, straining host communities and humanitarian systems. Digital service-delivery platforms for displaced populations could improve aid efficiency.

Most remittance money goes to consumption rather than business or infrastructure investment, missing a huge development opportunity. Diaspora investment bonds and startup co-investment platforms could redirect some of these flows productively.

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.

Large mega-constellations reflect sunlight and emit spurious radio frequencies, interfering with ground-based optical and radio telescopes. Low-reflectivity coatings, active satellite beam steering, and mitigation software are needed.

UHECR particles carry millions of times more energy than Earth's particle accelerators can generate. Identifying their origins requires large space-based cosmic ray detection arrays scanning the atmosphere.

Primary mirrors for space telescopes cannot exceed launch vehicle dimensions without complex, failure-prone mechanical folding. Dynamic fluidic mirrors and membrane optics created in orbit offer a promising alternative.