The president of the American Farm Bureau Federation has gotten it completely fallacious on why agricultural greenhouse gasoline emissions have fallen within the EPA’s most up-to-date annual emissions stock report.
The EPA report confirmed agricultural emissions nationwide dropped an admirable 1.8% from 2021 to 2022. U.S. agricultural emissions in 2022 had been 634 million metric tons in CO2 equivalents — 9.99% of all U.S. greenhouse emissions. The 2022 ag decline was the most important lower of all sectors that EPA experiences on together with transportation, vitality and industrial utilization.
On the floor, that’s nice information for combating local weather change introduced on by greenhouse gasoline warming the planet. Proper? However test below the hood, and it’s a unique story.
AFBF President Zippy Duvall would have you ever consider that new and improved on-the-farm practices had been primarily accountable for the decline.
“The newest numbers exhibit farmers’ and ranchers’ dedication to rising the meals and fiber America’s households depend on whereas bettering the land, air and water, a profit to the farm and the local weather. The drop in agricultural emissions highlights the success and significance of voluntary and market-based packages that help farmer efforts in sustainable agriculture practices.”
Not so quick, Zippy.
The EPA report paints a unique story: “From 2021 to 2022, emissions decreased by 2 p.c, largely pushed by a lower in beef cattle populations.”
Yup. There have been fewer cattle within the U.S. USDA reported the U.S. all-cattle stock fell by 1.9 million head in 2021 to 91.9 million. And cattle are the primary driver of U.S. methane discharges.
This previous January, USDA reported 87.2 million head of cattle and calves on U.S. farms. And cattle manufacturing this 12 months continues to say no.
All of which might doubtlessly additional decrease agricultural greenhouse emissions.
Fewer cattle in 2021 was additionally accountable for decrease nitrous oxide emissions from concentrated animal feeding operations’ manure lagoons. Fewer cattle equals much less poop.
The reality of the matter is that drought was primarily accountable for falling U.S. agricultural greenhouse gasoline emissions in 2021. Sure. Drought.
Going into the autumn of 2021, the U.S. Drought Monitor reported, “90% of the West area (together with Colorado and Wyoming) is characterised as ‘in drought’ with 54% in Excessive Drought or Distinctive Drought.”
Dryer than a James Bond vodka martini.
Let’s join the dots. Extreme drought blanketed U.S. cattle producing states in 2021. The drought decimated accessible grassy pasture and lowered water provides.
Merely put, the climate pressured many cattle producers to cull their herds.
And the drought accelerated into 2022, reaching document proportions.
Fertilizer utilization additionally contributes to nitrous oxide emissions within the U.S. In 2021, retail fertilizer costs spiked greater resulting from provide chain shortages linked to Russia’s battle on Ukraine.
USDA reported in its Crop Manufacturing 2022 Abstract that corn for grain manufacturing was estimated at 13.7 billion bushels, down 9% from the 2021 estimate. In the meantime, soybean manufacturing totaled 4.28 billion bushels, down 4% from 2021. General, the realm harvested for grain was estimated at 79.2 million acres, down 7% from the 2021 estimate.
Confronted with sky-high fertilizer costs in 2021, farmers both lowered planted acreage on their farms or switched when potential from corn to soybeans, which makes use of much less fertilizer.
In 2021, farmers made pragmatic fertilizer choices primarily based on profitability, moderately than on any new coverage, regulation or regulation.
Which is to say that U.S. agricultural greenhouse gasoline emission numbers are squishy, requiring interpretation to know their implications to combating local weather change.
Fertilizer costs rise and fall. If it’s worthwhile, cattle producers will start rising herd measurement.
Briefly, the 1.8% decline in agricultural greenhouse gasoline emissions in 2021 isn’t sustainable.
Rather more must be finished to enhance measurement, monitoring, reporting, and verification of U.S. greenhouse gasoline emissions and carbon sequestration in climate-smart agriculture and forestry.
Luckily, that effort might quickly be underway — if it isn’t one way or the other torpedoed by the November elections. USDA has named seven areas of focus together with institution of “a soil carbon monitoring and analysis community with a perennial biomass element,” and bettering “fashions and instruments for assessing greenhouse gasoline outcomes at operational, state, regional, and nationwide scales.”
It’s vital that USDA be allowed to proceed to higher perceive local weather change outcomes introduced on by U.S. contribution to international warming, with an eye fixed towards giving farmers further greenhouse gasoline mitigation alternatives not primarily based on drought or provide and demand.