"(...) Specifically, the IPCC did not look at the environmental or biodiversity impacts of their favoured technique: BECCS (bioenergy with carbon capture and storage) or of other so called 'negative emissions' technologies. Furthermore, recent scientific studies also show that these proposals are not technically or economically viable, but would imply large impacts on biodiversity and traditional livelihoods.[ii] (...)" http://www.etcgroup.org/content/un-convention-still-says-no-manipulating-climate
