The planetary machinery tends to be jumpy, this is to respond disproportionately — Hans Joachim Schellnhuber
Neither transitions nor transformations will be manageable without novel forms of global — Hans Joachim Schellnhuber
Either the Earth System would undergo major phase transitions as a result — Hans Joachim Schellnhuber
What is the difference between a 2°C world and a 4°C world? Human civilisation! — Hans Joachim Schellnhuber
We have 20 years [until 2026] to reduce carbon emissions or climate change will — Hans Joachim Schellnhuber