Climate Tech

Climate tech includes tools that cut emissions and boost efficiency. Discover why climate tech matters.

Decarbonisation

What is green hydrogen — the simple explanation most articles skip

Green hydrogen illustration showing wind and solar power producing H₂ through electrolysis for use in heavy industry.

What is green hydrogen, really? It is hydrogen made with renewable electricity—but the part most articles miss is this: hydrogen does two very different jobs. Sometimes it is a chemical ingredient used in fertilizer and industry. Other times it is an energy carrier used to store clean electricity for later. Once you see that split, green hydrogen stops sounding like futuristic jargon and starts making sense.

Bratislav Dzombic
May 14, 2026

Sustainability

What is AI’s energy problem? The hidden cost behind every “Ask AI” button

Laptop with Ask AI button connected to a hidden diorama of data centers, servers, power plants, and electricity infrastructure, illustrating AI’s energy problem.

AI looks invisible, but it behaves like heavy industry in disguise. Every prompt wakes up chips, cooling systems, power electronics, and entire data centers that already consume electricity on the scale of countries. This is AI’s energy problem in plain English: what it is, why it exists, how big it is now, and why it matters.

Bratislav Dzombic
April 26, 2026