All articles by Isabeau van Halm

Isabeau van Halm


Isabeau van Halm is a data journalist based in London. She has previously worked as editor of a local newspaper and is a graduate of the Erasmus Mundus Journalism Master’s. Contact Isabeau at: isabeau.vanhalm [at]

EU and US politicians call for the removal of Al Jaber as COP28 president

The UAE’s appointment of an oil executive as president of COP28 has been controversial since it was announced.

European gas price lowest since the start of the energy crisis

European gas prices are stabilising, but that does not necessarily mean households will immediately see lower bills.

Oil baron or climate ally? The contentious COP28 presidency of Sultan Al Jaber

COP28 president Sultan Al Jaber is the CEO of Adnoc, the UAE’s biggest oil producer, but also the chairman of Masdar, the UAE’s pioneering energy transition company. What does his leadership mean for COP28?

Big Oil profits soared to nearly $200bn in 2022

The combined profits of some of the world’s biggest oil companies – Chevron, ExxonMobil, BP, Shell and TotalEnergies – amounted to nearly $200bn in 2022.

Windfall tax could raise less than expected and set back renewable investments

The UK windfall tax could raise less than the expected £5bn and the investment loophole may even set back climate efforts.

How can the EU end its dependence on Russian gas?

The European Commission, International Energy Agency and several think tanks have all published scenarios on weaning the EU off Russian gas, but what is the bottom line?