Summarized: even if we tried really hard, the states and Europe alone cannot reduce global emissions enough to meet one particular deadline, so we should give up trying and l̶e̶t̶ ̶t̶h̶e̶ ̶w̶o̶r̶l̶d̶ ̶b̶u̶r̶n̶ send thoughts & prayers that geoengineering will save us.