As worldwide demand for meat and dairy continues to grow, so does evidence showing animal agriculture, as currently practiced, is harming the environment.

Advocates are making the case for widespread adoption of a vegan diet, avoiding animal products, as better for individual health and the environment. It is estimated between 11% and 20% of all greenhouse-gas emissions worldwide come from animal agriculture and livestock grazing has degraded up to 20% of the world's pastures.

Marco Springmann, research fellow in climate change, food systems and health at University College-London and senior environment and health researcher at Oxford University, said a vegan diet would bring a number of benefits.

"Adoption of a completely plant-based, or vegan, diet has many health, environmental and even cost benefits," Springmann explained. "If more people adopted such a diet, it would result in general benefits for climate change, land use as well as population health."

Maryland is home to more than 160,000 cattle, with a $91 million beef cattle industry and a $185 million dairy industry.

Veganism has attracted more attention in recent years, thanks in part to advancements in lab-grown meat technology; however, it's still not a very popular diet, with surveys indicating fewer than 5% are vegan. The prospect of billions of people deciding to eliminate animal products from their diets seems unlikely. Feeding a vegan world would require growing many more plants than we do now.

Springmann pointed out there is enough cropland to meet the nutritional needs of Earth's population through plants alone.

"At the moment, we feed about a third of all grains to livestock," Springmann emphasized. "Which means that if we wouldn't have so much livestock anymore, we actually would have lots of cropland available to grow other things in addition to not having, for example, all this need for pastures anymore."

He said if we shifted to a healthy plant-based diet, then we would still have a net reduction in global cropland use of about 10%.

Benefits of a global vegan diet include an estimated 3 billion hectares of land freed up for other purposes and a 6 billion-ton reduction of greenhouse-gas emissions annually. It is also estimated more than 2 million additional hectares of tropical rainforest would be preserved each year. Springmann added another benefit is cost.

"If you recompose your diet to something that is not made up of those processed products but is just generally healthy, then we calculated that purely on the cost of ingredients, a plant-based diet might actually be much cheaper," Springmann stressed. "Up to a quarter or even a third in high-income countries."

This story is based on original reporting by Seth Millstein at Sentient.


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Environmental groups say Oregon's new groundwater law, meant to curb pollution, has been diluted to the point they can no longer support it.

Industrial agriculture has contaminated parts of Eastern Oregon's groundwater with nitrates from fertilizers and manure, putting residents, many of whom rely on wells for drinking water, at risk.

Kaleb Lay, director of policy and research for the group Oregon Rural Action, said earlier bill versions would have protected residents and held polluters accountable.

"Unfortunately, as the legislative session went on, we saw industry groups and big ag groups get more and more heavily involved," Lay pointed out. "We really saw the governor concede many of the really important points in this bill."

Nitrates are increasingly linked to cancer, miscarriages and birth defects. Gov. Tina Kotek said the new bill gives state agencies more authority to intervene in Oregon's contaminated groundwater areas.

Jim Klipfel moved to Boardman six years ago and discovered his well was contaminated with nitrates after a neighbor warned him not to drink from the hose. Now, he relies on delivered water as officials work on connecting residents to city water. He said there are more stories of illness in the community than average.

"Scientifically, yes, I know this can't be 100% tied to the nitrates, but it's a pretty huge freaking coincidence," Klipfel contended. "People getting cancer, people having miscarriages, people losing farm animals, horses, cows."

A 39-page amendment to the bill removed key pollution control measures, Lay explained, including a mandate for agencies to review and tighten groundwater pollution permits. He argued the industry has too much influence over the law.

"We need to shift that power back where it belongs," Lay stressed. "That is, to the people who are on the front lines of their pollution. It's to the rural working class, low-income residents."

A report from January showed nitrate levels continued to rise across the Lower Umatilla Basin Groundwater Management Area in Morrow and Umatilla counties. About 40% of tested wells exceeded safe drinking water limits.


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Sometimes called the original "ecosystem engineers," beavers and the techniques they use are guiding conservationists in New Mexico to protect scarce water resources.

Defenders of Wildlife is working with a team to install human-made "beaver dam analogs" along two tributaries of the Upper Rio Grande.

Peggy Darr, New Mexico representative for the advocacy group, said like beaver dams, analogs cause water to pond, allowing surrounding soils to soak up moisture during high flows, which restores habitat and encourages beavers to move in.

"The reason that we want to have as many beavers as the systems can hold is because they help keep rivers running year-round, they help to mitigate fire hazards, they help make water cleaner, they also help to reduce damage from flash flooding," Darr outlined.

A recent survey by the group showed a much higher concentration of beaver dams in the northern part of New Mexico, highlighting a need for targeted conservation in less populated regions.

In the Southwest, many perennial rivers now run dry during parts of the year, discouraging the growth of trees, providing a food source for beavers and the wood they use to build their dams. Darr noted the restoration work includes community and tribal outreach about the importance of a nonlethal beaver/human coexistence.

"If you rip out a beaver dam, beavers can rebuild it overnight sometimes, so you'll spend the rest of your life ripping out beaver dams," Darr pointed out. "And if you kill the beavers, it's like putting up a vacancy sign for another beaver pair, and eventually other beavers will move in."

Massive eradication of beavers began in the 1800s, leading to river and stream degradation in New Mexico and across the nation, often made worse by climate change. Darr emphasized conservation tools and public awareness can be beneficial.

"Beavers do millions of dollars of work for free," Darr stressed. "Beaver coexistence and beaver restoration, and just beavers in general, have become high priority for conservation, especially across the West."

Concentrated Animal Feeding Operations, or CAFOs, are banned from the Buffalo National River watershed.

That's after the Arkansas Legislative Council issued a moratorium, outlawing large-scale swine operations on land surrounding the river.

Gordon Watkins, president of the Buffalo River Watershed Alliance, said it's good news for them - but he said he's concerned about other bodies of water around the state that don't have the same protection.

"We've got lots of high-quality recreational streams in the state that deserve to be protected, but our by-laws restrict us to working within the Buffalo River Watershed," said Watkins. "While we would support changes to the regulation, we can't legally take up the leadership role."

Members of the alliance had been fighting for the moratorium since 2013 when C&H Hog Farm opened in the watershed.

Legislators recently passed Act 921, which allows farms to operate anywhere in the state. The Buffalo River is exempt from the legislation.

C&H Hog Farm shut down in 2020, after pressure from environmentalists who said waste from the operation was contaminating surrounding land and water.

Watkins said changes to state rules, such as not contacting local leaders when a company submits an application for a liquid animal waste permit, could impact other rivers and streams.

"Other places in the state are not going to have public notice," said Watkins, "and they're not going to have access to critical information to be able to see if a facility is being built next to them or to see if it's operating properly over time. So, those are our big concerns."

He urged Arkansans to monitor the actions of the Department of Agriculture and the Department of Environmental Quality.

"Be vigilant, pay attention and push for better transparency," said Watkins. "To push the ag department to at least put up a listserv. If they had a listserv where people could sign up for it and they could be guaranteed that they would receive a notice every time an application came up. "

The Arkansas Farm Bureau and the Arkansas Cattlemen's Association argue the moratoriums are government overreach.





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