March 2, 2017 #ShellKnew. After decades of deception, it’s time to divest. Yesterday evidence emerged that oil giant Shell has known about dangerous climate change, caused by the burning of its fossil fuels, for over 30 years. We’ve been betrayed, lied to, and sabotaged by the fossil fuel industry for decades. That time is over — it’s time to divest. Join the Global Divestment Mobilisation in May!