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According to the latest IPCC report, greenhouse gas emissions between 2010 and 2019 represent 80% of the "carbon budget" that humanity still has left before exceeding the 1.5°C target set by the Paris Agreement. In order to preserve this budget, we need to transform the global economy and change consumption behaviors that are the most damaging to climate. But decarbonizing technologies and processes does not come without a price tag. So what measures should be put in place to encourage private-sector players to invest in the technologies needed to decarbonize the global economy?

Ammonia plays an important role in the mechanisms at work inside the planets Uranus and Neptune. Experiments carried out at the Laboratoire pour l'Utilisation des Lasers Intenses (Intense Lasers Laboratory) have made it possible to reproduce the extreme conditions that prevail inside these planets, and have revealed the fusion of 'superionic' ammonia ice. These results are reported in the journal Nature Physics.

Institut Polytechnique de Paris launches its podcast. On POLYGRAM, we listen to stories of science and technology to discuss the discoveries and societal challenges of today and tomorrow (in English and French).