In the face of the climate emergency, around 140 countries, which emit close to 90% of the global greenhouse gas emissions, are planning to reduce their emissions to as close to zero as possible (known as net zero) in the upcoming decades. Around a third of these are low- and middle-income countries (LMICs), the countries most affected by climate change. So how can countries in the Global South achieve a socially-just transition? One key element is innovation, and potentially mission-oriented innovation.