Every piece where Energy is the variable that does the work.
The world's largest emitter has been flat or falling since March 2024, and 2025 closed 0.3% down, the first decline driven by clean energy rather than economic weakness. If it holds, the world's most important emissions curve turned five years early.
Sep 20, 2026 · 7 min read
2024 finished at 1.60C above pre-industrial, the first calendar year beyond the Paris marker; 2025 came in at 1.47C, and the last three years together averaged above 1.5C, another first. In treaty terms the threshold is intact. On current warming rates, it will not stay that way for long.
Sep 20, 2026 · 8 min read
The National Ignition Facility has now ignited eight times, once at four times energy gain. Private funding passed $14 billion, ITER slipped to the 2030s, and the first private machine aiming at net energy switches on next. A status report on the oldest promise in energy.
Aug 15, 2026 · 8 min read
78 gigawatts of reactors are under construction worldwide, the most in decades, and half the capacity is Chinese, approved at a metronomic ten reactors a year. The West, meanwhile, finished two projects a decade late and started selling reactors to data centres. An audit of the revival.
Aug 15, 2026 · 7 min read
The world added a record 647 GW of solar in 2025, and the argument moved to the hours the sun misses. Then batteries fell 45% in a year and deployment hit 250 GWh. An update on the firming problem, which is quietly being solved by the same cost curve that created it.
Aug 15, 2026 · 7 min read
The IEA counts 415 TWh of data-centre demand in 2024, doubling to 945 TWh by 2030. The global average is modest; the local concentrations are not. What the gap between those two numbers does to grids, prices, and the places that said yes early.
Aug 15, 2026 · 8 min read