Executive Summary: "Since 1961, the supply of global per capita food calories increased by about one third, with the consumption of vegetable oils and meat more than doubling. At the same time, the use of inorganic nitrogen fertiliser increased by nearly 9-fold, and the use of irrigation water roughly doubled (high confidence)." (1, 17-20) Warming happens more rapidly over land than sea, directly affecting growing seasons and water stress. "In the absence of rapid emissions reductions, reliance on large-scale, land-based, climate change mitigation is projected to increase, which would aggravate existing pressures on land (high confidence)." (2,1-2). These mitigations could include reforestation, biomass for energy production, wind/solar farms. Other mitigation strategies do not directly compete for land use like increasing crop productivity, soil remediation (cover cropping, no till methods), and changing consumer behaviors/expectations. "Improving food...
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