The hard engineering behind grid-scale energy storage
Wind and solar power are only as useful as the grid's ability to store and move them. That is where the energy transition's most complicated work now lies.
Renewables
What moves commodity prices: supply shocks, storage and the dollar
Oil, metals and grains trade in markets where small imbalances can produce large price swings. Understanding why requires looking at inventories, futures curves and the currency in which they are priced.
How carbon markets work, and what determines whether they cut emissions
Putting a price on pollution lets markets find the cheapest ways to reduce it. The design details — caps, allowances, offsets and exemptions — decide whether the theory holds.