
Energy & Climate
4 articles in this category

37 billion tons of raw material. Why we still don't make fuel from CO2
Hydrogenation of CO2 to methanol has been operating in the laboratory for forty years, and it still does not work on a scale that is meaningful. A review in Science breaks down what exactly is blocking this wheel.

A battery that falls from a tree. How a dead leaf will power the Internet of Things
Of the two hundred sensors in the Oregon forests, seventeen are working - the batteries died after eight months. A dead leaf coated with a gel polymer is expected to power some of the 29 billion IoT devices.

The Trillion Dollar Promise. Why green hydrogen still hasn't taken off - and what does it mean for Poland
Analysis by Odenweller and Ueckerdt (Nature Energy, 2025): of the 190 GW of electrolysers needed, less than 10% were created. Poland - the third producer of gray hydrogen in the EU - does not have a single project after the final investment decision.

Perovskite will not wait for Poland
Flexible perovskite cells achieve 23.7% efficiency under sunlight and 42.5% under artificial light. Bifacial sealing solves the problem of cracked grain boundaries. Polish paradox: Saule Technologies no longer exists, but the patents and know-how still exist.