Field 1 of 10 · Boundary: Climate change
Clean Energy & Power
The problem
Energy still causes most greenhouse gas emissions. Switching to clean power needs more generation, storage, better grids and changed demand.
Who may be affected
Households that cannot afford solar or efficiency upgrades, and regions whose jobs depend on coal and gas.
33.8%
of global electricity in 2025 came from renewables, just ahead of coal at 33.0%
Ember, Global Electricity Review 2026
73.2%
of global greenhouse gas emissions came from the energy sector (2016 data)
Our World in Data
Idea directions
- Energy sharing for apartment buildings and neighbourhoods
- Tools that move household or factory demand to hours with clean power
Sources are named under each number. Idea directions are prompts, not recommendations.