Table 1.

Keywords related to each 4 per 1000 dimension.

4 per 1000 dimension	Definition	Indicative keywords
Mitigation of climate change	A human intervention to reduce emissions or enhance the sinks of greenhouse gases32.	GHG emissions, GHG fluxes, CH4, N2O, CO2, carbon budget, carbon balance, soil respiration, anthropogenic emissions, cumulative emissions, depletion, loss, decarbonization, carbon sequestration, carbon stock, carbon storage, carbon sink, carbon pool, carbon source, accumulation rate, storage rate, stocks, tC, Mg, GtC, anthropogenic removals, carbon dioxide removal, GHG removal, negative emissions, uptake
Adaptation to climate change	In human systems, the process of adjustment to actual or expected climate and its effects, in order to moderate harm or exploit beneficial opportunities. In natural systems, the process of adjustment to actual climate and its effects; human intervention may facilitate adjustment to expected climate and its effects32.	yield, drought, dry spell, heavy rains, rainfall patterns, hydric stress, water stress, heat stress, thermal stress, flood, vulnerability, resilience, climatic variability, impact, effects
Food security	A situation that exists when all people, at all times, have physical, social and economic access to sufficient, safe and nutritious food that meets their dietary needs and food preferences for an active and healthy life32.	yield, food, diet, nourishment, human consumption, income