The Conversation: Paris emissions cuts aren’t enough – we’ll have to put carbon back in the ground

„To stabilise temperatures at any level, be it 1.5℃, 2℃ or even 3℃, net carbon dioxide emissions must be reduced to zero. Most governments, environmental groups and business leaders now understand this. And it is acknowledged, albeit implicitly, in Article 4 of the Paris agreement, which calls for greenhouse emissions to be “balanced” by carbon sinks some time after mid-century.“