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Pollinator decline will have to be halted or reversed. The biggest causes of pollinator deaths are insecticides, invasive parasites, and habitat destruction so some possible solutions would be reducing or eliminating insecticide use, developing insecticides that don't kill pollinators, preserving natural habitats, and building more bee hives to be stocked with local bees. Another issue that will need to be addressed is soil erosion. The main causes of soil erosion are over irrigation, destruction of the soil structure through tilling, and the loss of organic matter in the soil caused by the overuse of liquid fertilizers. Possible solutions include no-till practices, building berms around farms to prevent soil migration, replacing liquid fertilizers with compost, manure, or plant-based mulches, the use of more efficient irrigation practices such as drip irrigation. Global warming will also need to be halted or reversed. We're already seeing a decline in biodiversity as a result of shifting weather patterns and rising temperatures and that decline will get much worse if we don't get a handle on our emissions. And of course other pollutants will need to be addressed as well. Plastics, industrial byproducts, mining tailings, radioactive waste, spilled or leaked motor oil and fuels, runoff from agricultural land, phosphorus-based soaps, and likely a million other pollutants will need to be limited in order to maintain the health of the ecosystems closest to us.
