Explain GEF's incremental-cost principle with a solar-project illustration. 3.

The IEA (1974, born of the oil crisis, the OECD's energy wing): member-country energy security through emergency oil stocks, market analysis, and — its modern face — the global clean-energy transition desk (renewables reports, efficiency policy, and energy-transition modelling). Its law- student significance: the consumer-side counterweight to producer coordination, and the world's energy data authority.