Climate intervention Cooperation 1 Counter-geoengineering 1 Environmental regulations 1 Externality 1 Free-driver 1 Game theory 1 Geoengineering 1 Global warming 1 International cooperation 1 International environmental agreements 1 Pollution control 1 Solar geoengineering 1 Strategic conflict 1 Strategic conflicts 1 climate effect 1 cooling 1 engineering 1 environmental management 1 environmental planning 1 environmental policy 1 game theory 1 global warming 1 international cooperation 1 solar activity 1 strategic approach 1