This is what we need to invent to fight climate change The world now has many of the tools needed to keep climate change in check, the United Nations’ climate research team reported last month. But humanity will still need to invent newer and better ones too. The question is what kinds of research governments and companies should invest in. In the final installment of its latest comprehensive assessment of climate science, the UN’s Intergovernmental Panel on Climate Change examined tactics to mitigate climate change. But for the first time in the three-decade history of IPCC reports, the panel has devoted chapters to innovation and technology development.