What form does hydrogen take naturally? Learn why free H₂ is rare in the atmosphere and where natural hydrogen can occur underground.

A clear overview of how CO₂ storage sites are monitored using seismic data, well sensors, groundwater chemistry and geomechanical tools.

Explore how several jurisdictions are regulating or adapting existing frameworks for natural hydrogen exploration.

Why is helium-3 so rare? Learn how it differs from helium-4, its unique physical properties and the challenges surrounding its supply.

Discover how thermal energy storage works, its three main technology families and its role in integrating renewable energy sources.

Learn what the geothermal gradient is, how it is calculated, why it varies across regions, and why it is essential for geothermal energy exploration and development.

An overview of slim hole drilling, a small-diameter exploration technique used to collect geological data while limiting costs and surface disturbance.

Diffuse flux, fairy circles and trapped reservoirs: explore the two main forms of natural hydrogen occurrence and their importance for geological exploration.

Understand the difference between native sulfur and recovered sulfur, their production processes, and their main industrial uses.

Learn why sulfuric acid plays an important role in several processing chains linked to lithium, nickel, copper and uranium.

What is the difference between lithium-ion batteries and hydrogen fuel cells? Explore their functions, applications and resource needs.

Recycling of critical minerals is progressing, but it varies depending on the material. Discover the indicators, technologies, and public frameworks shaping the industry.

Discover the role of chromium in stainless steel, aerospace, hydrogen technologies and the global transition to clean energy.

Energy hubs leverage the subsurface to integrate CO₂ storage, geothermal energy, and hydrogen within shared geological formations. Discover how they work and their potential benefits for the energy transition.

Understand the role of zinc in steel galvanizing, from solar mounting structures to power grids and wind energy components.

Discover zinc's properties, major applications, global market and growing role in infrastructure, renewable energy and the energy transition.

How can BECCS remove CO₂ from the atmosphere? Explore its principles, key steps, climate potential and role in energy transition scenarios.

CCS and DAC both capture CO₂, but in very different ways. Explore how point-source capture and direct air capture work and why both matter for decarbonization.

Why are some rare earth elements more valuable than others? Discover the most strategic REEs, their uses and supply chain challenges.