As the Earth's human population grows, greenhouse gas emissions from the world's food system are on track to expand. A new study demonstrates that state-of-the-art agricultural technology and management can not only reduce that growth, but eliminate it altogether by generating net negative emissions—reducing more greenhouse gas than food systems add.
"Our study examines both dietary change and agricultural technologies, as various options for slashing emissions," Almaraz said."This included an analysis ofIn contrast to the marked benefit of agricultural technology in realizing massive sector-wide negative emissions, dietary changes had little effect on carbon sequestration, according to the study."We only looked at about a dozen technologies," Almaraz said.
In a process called"enhanced weathering," for example, silicate rock dust can be added to crop soils every five years to accelerate the formation of carbonates. This process devours carbon dioxide, which can sequester several billion metric tons of carbon per year, according to the paper.
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