
Andreas Sieber
Andreas Sieber is the Associate Director of Policy and Campaigns at 350.org. He is a university lecturer and an expert on climate policy, geopolitics, and energy politics.
May 8, 2025
COP30 must heed the elephant in the room: fossil fuels
Oil, gas and coal cause three-quarters of global emissions. Why are they nowhere to be seen on the Belém climate summit’s agenda?
Apr 7, 2025
Trump’s tariff tantrum won’t stop the global energy transition
The US’s share of the global cleantech trade is too marginal to dictate its terms – but the trade tariffs will harm American workers and developing countries
Nov 5, 2024
COP29 must deliver on the world’s energy transition promises
COP28 agreed a transition away from fossil fuels – and COP29 must follow up on this, as well as agreeing an ambitious goal for climate finance for developing countries
Dec 8, 2023
To land fossil phase-out deal, rich nations must add fairness
Differentiated targets and financial support for the global south are critical to overcoming opposition to a fossil fuel phase-out at Cop28
Oct 30, 2023
To triple renewable energy, the Global South needs finance
A renewable energy target will be debated at Cop28 but financial reforms are needed for the Global South outside China to meet that target
Jul 10, 2023
The EU lacks ambition on Cop28 renewable targets
The EU’s interpretation of a global renewables target is less ambitious than the Cop28 presidency’s and incompatible with the Paris agreement