This feed highlights the ongoing work to protect animals—whether they’re pets, farm animals, or wildlife. Explore stories of rescue, advocacy, and policy change, and find meaningful ways to stand up for those who can’t speak for themselves.

Animal Welfare

83% of Americans oppose slaughtering horses for food, yet efforts to ban horse meat remain stalled.

Ending the Slaughter of American Horses for Meat

American Horses Are Still Being Slaughtered for Meat

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Microscopic fungi haven’t seemed like a scalable alternative to meat. CRISPR could change that.

Could Genetically Engineered Fungus Help Replace Animal Protein?

Gray wolves, elephants, wildebeests and sea otters are a few of the species that can help sequester carbon and mitigate global warming.

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<a href="https://grist.org/author/gabriela-aoun/">Gabriela Aoun Angueira</a>, Grist


 This article originally appeared in<a href="https://grist.org/article/sequester-carbon-save-wild-animals"> Grist</a> and is republished here as part of Covering Climate Now, a global journalism collaboration strengthening coverage of the climate story.

As the world increasingly turns toward natural climate solutions like reforestation and grassland restoration to sequester carbon, it may be overlooking a crucial ally: animals.&nbsp;
Protecting existing populations and restoring others to their natural habitats often improves the natural capture and sequestration of carbon dioxide within ecosystems, according to a <a href="https://www.nature.com/articles/s41558-023-01631-6" target="_blank" rel="noreferrer noopener">study published</a> in the journal Nature Climate Change. Robust populations of just nine species, such as sea otters or gray wolves, or genera, including whales, could lead to the capture of 6.41 gigatons of CO₂ annually, the researchers found. That’s about 95 percent of the amount needed to be removed annually to ensure global warming remains below 1.5 degrees Celsius (2.7 degrees Fahrenheit).
In “Trophic rewilding can expand natural climate solutions,” led by the Yale School of the Environment and the Global Rewilding Alliance, 15 international experts compare the carbon content in savannas, forests, and other ecosystems when their wildlife populations were healthy and when they were below historical numbers. They found multiple cases in which thriving populations of certain species, particularly large vertebrates, through acts like foraging, burrowing, and trampling, increased an ecosystem’s carbon storage capacity by as much as 250 percent.
The researchers argue that these essential species disperse seeds, facilitating the growth of carbon-sequestering trees and plants. Others trample or eat the vegetation that would otherwise rob those trees of space and nutrients. Predators prey on herbivores that, without predation, might adversely impact that essential fauna.
“Ecological science has had a long history of overlooking the role of animals as an important driver of the biogeochemistry of ecosystems,” Oswald Schmitz, an ecologist at the Yale School for the Environment and an author of the study, told Grist. “What we say is that we know animals can change the vegetation makeup of ecosystems, and a lot of ecosystem ecologists say vegetation is important for ecosystem function and carbon cycling, then surely the animals must be important, too.”&nbsp;
According to the study, keeping global warming below 1.5 degrees Celsius above preindustrial levels not only requires reducing fossil fuel emissions but removing around 500 gigatons of atmospheric CO₂ by 2100. Natural solutions, like protecting and restoring forests, wetlands, and grassland ecosystems can help, but such measures, implemented at their current pace, will not do the job in time. Restoring animal populations, or “trophic rewilding,” can accelerate the rates of sequestration and storage in a process called “animating the carbon cycle.”
“Instead of taking 77 years to get that 500 gigatons out, we could actually have that in 35 years,” Schmitz said. “We could do it if we really made a concerted effort to rebuild these populations.”
In Africa, every increase of 100,000 animals in the Serengeti raises the amount of carbon sequestered by 15 percent. Wildebeest are particularly effective allies in the climate fight. More than 1 million of the ungulates migrate across almost 10,000 square miles of savanna. They consume carbon contained in the grasses they eat, then excrete it in their dung. That carbon is then integrated into the soil by insects. They also manage the grasses, mitigating the risk of wildfires. When disease wiped the wildebeest population in the early 1900s, fires grew more frequent and intense, releasing more carbon, transforming the Serengeti from a carbon sink to a carbon source. When the wildebeest population recovered beginning in the 1960s, the Serengeti became a carbon sink again.&nbsp;
Similar examples exist across a wide range of ecosystems. In the Arctic, herds of caribou and other large animals compact snow, preventing permafrost melt. Whales feed in deep waters and release nutrients in their waste at shallower depths, stimulating the production of phytoplankton, which are essential to fixing carbon in the ocean. The animals also are <a href="https://grist.org/looking-forward/whales-are-an-iconic-symbol-of-conservation-and-a-natural-climate-solution/">enormous carbon sinks</a> in their own right.
Yet many of these populations face increasing threats from overfishing, habitat loss, impediments to their migratory patterns, and other risks. Losing these species, or even seeing their historic range or numbers decrease, risks transforming the ecosystems they inhabit from carbon sinks into carbon sources.
While animating the carbon cycle has the potential to be a powerful accelerant of carbon removal, the study’s authors warn that trophic rewilding cannot be done without considering unintended consequences. Gray wolves can help carbon removal in boreal forests because they prey on the moose that browse on carbon-storing trees, but they can hurt carbon stores in grasslands, where they eat the elk that stimulate plant production through their grazing. Increases in populations of large animals can increase methane release, an issue that can be offset by reducing domestic livestock populations, according to the study.&nbsp;
Balancing livestock and wildlife populations also raises another central consideration of trophic rewilding: its impact on local human populations. Schmitz said the key to successful trophic rewilding programs is to cater them to local conditions and needs.
Bison, which <a href="https://grist.org/indigenous/biden-administration-pledges-25-million-to-bring-bison-back-to-tribal-lands/">once roamed North America by the millions</a>, could help store huge amounts of CO₂ in grasslands, but cattle ranchers often resist restoration efforts because of the health threats they can pose for cattle.&nbsp;
“It’s about having people think about themselves as stewards of the land, and we ought to also compensate them for that stewardship,” said Schmitz.&nbsp;“If we would come up with a carbon market that paid the ranchers for the amount of carbon that these bison sequester, they could maybe make more money by being carbon ranchers than they could by cattle ranching.”
What must come first, Schmitz said, is a change in how the global climate community approaches natural carbon solutions. “One of the big frustrations in the conservation game is you’ve got the U.N. Convention on Climate Change, and then you also have the U.N. Convention on Biodiversity, and they don’t talk to each other,” he said. “One is trying to save biodiversity, and the other is trying to save the climate. And what we’re saying is you can do both, with the same thing, in the same space.”

 This article originally appeared in Sentient at <a href="https://sentientmedia.org/want-to-sequester-carbon-save-wild-animals/">https://sentientmedia.org/want-to-sequester-carbon-save-wild-animals/</a>.
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Want to Sequester Carbon? Save Wild Animals

Keechelus Lake Overcrossing on I-90 Snoqualmie Pass East. Photo Credit: Washington State Dept. of Transportation

We protect, connect and restore wildlands and wildlife from the Washington Coast to the British Columbia Rockies.With around 28 staff and half a dozen regular contractors, we work closely with several landscapes throughout Washington, British Columbia, and beyond. Our conservation community includes more than 4,000 supporters annually and more than eighteen thousand activists and online followers.

Conservation Northwest

By <a href="https://sentientmedia.org/author/marlenawilliams/">Marlena Williams</a>, <a href="https://sentientmedia.org/new-wildlife-crossing-safe-passage/">Sentient</a>
If you drive down Interstate 90 through <a href="https://www.scenicwa.com/poi/i-90-wildlife-bridge">Snoqualmie Pass in Washington state</a>, there is a good chance an animal might be traveling above or below you. This busy travel corridor, heavily trafficked by motorists and fauna, is now home to an <a href="https://sentientmedia.org/wildlife-crossings/">impressive network of wildlife crossings</a> that safeguard the region’s biodiversity by providing animals safe passage across once-treacherous highways.&nbsp;
Motion-activated cameras stationed along these crossings have captured an exciting variety of species passing through them. A mother deer and her fawns <a href="https://www.spokesman.com/stories/2021/jun/16/video-i-90-wildlife-crossing-cameras-capture-big-u/">bound beneath an underpass</a>. A <a href="https://crosscut.com/2018/09/bridge-over-i-90-offers-safe-passage-wildlife">curious coyote sniffs</a> his way along the passage before darting away into darkness. Two elk calves <a href="https://www.spokesman.com/stories/2021/jun/16/video-i-90-wildlife-crossing-cameras-capture-big-u/">play on top of a bridge</a>, seemingly unbothered by the mid-day traffic zooming beneath them.
The 15-mile Snoqualmie Pass East project consists of a variety of structures, including bridges, underpasses, culverts and fences, all designed to mitigate the harm that roads pose to animals. The centerpiece of this massive infrastructure plan is the <a href="https://conservationnw.org/our-work/habitat/i-90/">Keechelus Wildlife Overcrossing</a>, a 60-foot tall, 150-foot wide archway spanning six lanes of traffic and fully vegetated with flora from the surrounding forest. The overpass, which was completed in 2018, is Washington’s first-ever wildlife bridge over a highway and the largest such crossing in North America. Within a few years, researchers documented <a href="https://www.youtube.com/watch?v=Cf5nMLrlgW4">animals safely crossing 14,000 times</a>.
Similar structures are sprouting up all across the country, from the <a href="https://www.curbed.com/2022/01/wildlife-crossing-liberty-canyon-los-angeles.html">traffic-clogged freeways of Los Angeles</a> to the <a href="https://montanafreepress.org/2022/01/19/highway-191-wildlife-crossings/">wide open stretches of Montana’s Big Sky</a> region. Wildlife crossings offer a simple but effective solution for keeping wildlife safe, one that reduces traffic deaths, protects imperiled species and even shifts the way we think about roads and the animals that we share them with.
<h2>A Crucial Corridor for People and Animals</h2>

I-90 is the longest interstate in the country, beginning in Seattle and snaking through the entire northern United States to Boston. In Washington, the highway serves as a crucial travel corridor connecting the population centers of Western Washington to the many agricultural industries and recreational offerings of Eastern Washington. Farmers and growers in the Eastern part of the state rely on I-90 to bring their goods to market, while locals and tourists traverse the highway on their way to the countless hiking, skiing and nature destinations that cover the state.
The Cascades Range in Washington once formed one giant, connected ecosystem stretching from the lowland forests in the Puget Trough to the mountain lakes and alpine glaciers topping the state’s many iconic peaks. I-90 effectively sliced the Cascades in two, creating a unique migratory problem for the people and the animals that populate the state. As motorists freely speed east to west along I-90, the region’s wildlife found their natural north to south seasonal migrations stymied by the freeway.
An estimated <a href="https://www.youtube.com/watch?v=Cf5nMLrlgW4">27,000 cars cross Snoqualmie Pass every day</a>. These traffic levels essentially created a <a href="https://wsdot.wa.gov/construction-planning/search-studies/i-5-wildlife-habitat-connectivity-study">complete barrier</a> for the abundance of wildlife that calls the region home: elk, wolverines, black bears, bull trout, river otters and cougars, to name but a few. Many of these species were left isolated on one side of the freeway or another, unable to cross what researchers call the “<a href="https://www.npr.org/2023/09/26/1201730827/ben-goldfarb-road-ecology-roadkill-crossings">moving fence</a>” of I-90 in search of food, shelter and mates. Those that did cross faced the very real threat of serious injury and death.
<h2>Diverse Coalitions Key to Public Funding Success</h2>
Environmentalists, biologists and wildlife advocates saw an opportunity to remedy the problem in the early 2000s, when the Washington Department of Transportation began planning a <a href="https://wsdot.wa.gov/construction-planning/major-projects/i-90-snoqualmie-pass-east-project">massive, $550 million construction project</a> in Snoqualmie Pass, aiming to improve deteriorating road conditions, expand the lanes across I-90 and reduce congestion and road closures. Over 40 national and local organizations joined together to form the <a href="https://i90wildlifebridges.org/">I-90 Wildlife Bridges Coalition</a>, which has since become part of <a href="https://conservationnw.org/our-work/habitat/i-90/">Conservation Northwest</a>, to push for the addition of wildlife connectivity areas to the state’s infrastructure plan.
Most of the members of the coalition were the usual suspects: the Sierra Club, the Cascades Conservation Partnership, the Humane Society. However, groups like ski clubs and the also joined the coalition to make the roads safer and better for both humans and wildlife. By the time the state legislature approved funding for the crossings, there was a <a href="https://www.youtube.com/watch?v=BGFIoLkEKP4">wellspring of support</a> from all across the state. The coalition even sponsored a coloring contest in public schools, where students created their own imagined versions of the wildlife crossings and competed for a grand prize.
Snoqualmie East was modeled after the famous wildlife connectivity areas along<a href="https://parks.canada.ca/pn-np/ab/banff/nature/conservation/transport/tch-rtc/passages-crossings"> the Trans-Canada Highway in Banff</a> National Park, which is home to the most numerous and varied wildlife structures on the planet. To make the crossings a reality in Washington, the Department of Transportation worked closely with the U.S. Forest Service and several other state and federal agencies. University researchers and biologists flocked to the area to study the landscape and advise engineers on structure placement and design. Teams of volunteers and botanists came together to restore the habitat near roads, repairing the soils, planting food sources and creating natural structures to encourage critters to take shelter and move about.
Full construction of Snoqualmie Pass East won’t be completed until 2029, but the project is already showing promising results. Through July 2021, animals were <a href="https://www.youtube.com/watch?v=Cf5nMLrlgW4">documented successfully crossing</a> the existing structures nearly 14,000 times. By the end of 2023, motion activated cameras had <a href="https://wsdot.wa.gov/about/data/gray-notebook/gnbhome/environment/wildlifehabitatconnectivity/snoqualmiepasseastproject.htm#detail">recorded over 25,000 safe animal crossings</a>, which included 7,967 elk, 13,525 deer, 3,216 coyotes and 6 cougars.
<h2>The Data is Limited, but Promising</h2>
Wildlife crossings are a relatively new phenomenon. Though the concept was first developed in France in the 1950s, and later popularized in the <a href="https://www.atlasobscura.com/places/natuurbrug-zanderij-crailoo">Netherlands</a> and <a href="https://canadiangeographic.ca/articles/as-banffs-famed-wildlife-overpasses-turn-20-the-world-looks-to-canada-for-conservation-inspiration/">Canada</a>, the United States did not begin regularly building such crossings until about twenty years ago. There are now estimated to be <a href="https://www.cbsnews.com/news/how-wildlife-crossings-protect-both-animals-and-people/">about 1,500 structures across 43 state</a>s. Most structures are largely clustered in Western states. Many of these projects, like Snoqualmie Pass, are ongoing. This means we are still developing and collecting comprehensive data about the long-term success of these structures on a wide scale. However, the data we do have points to the effectiveness of crossings across a number of metrics. In some places, wildlife crossings have <a href="https://largelandscapes.org/wp-content/uploads/2021/04/WILDLIFE-CROSSING-SUCCESS-STORIES-IN-THE-WESTERN-STATES.pdf">reduced vehicle-wildlife collisions</a> by as much as 97 percent.
<h2>If We Build Them, Will The Animals Come?</h2>
Wildlife crossings are not without their limitations however, the most obvious of which is cost. Though costs vary widely project to project depending on the geography of the region and the type of structure being built, overpasses typically cost several million dollars each, and multiple structures together can <a href="https://www.pewtrusts.org/en/trust/archive/spring-2020/wildlife-crossings-can-protect-migrating-animals">run upwards of $50 million</a>. The single wildlife bridge at Snoqualmie Pass alone cost <a href="https://www.seattletimes.com/seattle-news/its-a-long-time-coming-6-2-million-wildlife-bridge-over-i-90-nears-completion/">$6.2 million dollars</a>.
Because funding for these structures is often included as part of larger transportation and infrastructure budgets, competing priorities and declining revenues can mean less and less money is allocated towards crossings, if they are approved. What’s more, most stretches of highway are marked by a complicated <a href="https://www.pewtrusts.org/en/trust/archive/spring-2020/wildlife-crossings-can-protect-migrating-animals">patchwork of land ownership</a> split between public, private and tribal groups, making it difficult for coalitions to form, especially in polarized local areas.
Though the unique coalitions in Washington made the Snoqualmie Pass an easy victory at the state legislature, these types of partnerships don’t exist everywhere, and limited funding may hold back similar projects. In 2021, Congress <a href="https://www.whitehouse.gov/build/guidebook/#:~:text=The%20Bipartisan%20Infrastructure%20Law%20makes,%2C%20energy%2C%20and%20the%20environment.">passed a massive infrastructure bill</a> that allocated $350 million for the <a href="https://highways.dot.gov/federal-lands/wildlife-crossings">Wildlife Crossings Pilot Program</a>, but <a href="https://sentientmedia.org/wildlife-crossings/">advocates agree</a> that this is a mere drop in the bucket compared to the huge amount of money needed for a truly effective nationwide connectivity system.
Getting funding for these structures is only the beginning. Building structures animals will actually use is the next hurdle, and the most important one. The best crossings are carefully designed to mimic and blend with the surrounding ecosystems, offering a seamless transition from forest to crossing, often including sound walls so animals will not be spooked by the thunderous sound of traffic above or below.
Wildlife crossings also need to be tailored to the species who use it. A successful crossing network may involve many different structures for many different species, or a few giant, complex structures that will appeal to many different species at the same time. While bigger animals like deer and bears tend to be the most obvious targets for such projects, Snoqualmie was careful to <a href="https://www.youtube.com/watch?v=Cf5nMLrlgW4">emphasize low-mobility species</a> and small mammals as well, building structures that could be used by mice, voles, pika, western toad and the coastal giant salamander.
The bottom line: the work of a wildlife crossing doesn’t start and end with the road. Even after construction is complete, crossings require monitoring, management and maintenance to ensure that animals are actually using the passage. It can take months and even years for animals to acclimate to the new landscape. At Snoqualmie, only <a href="https://wsdot.wa.gov/about/data/gray-notebook/gnbhome/environment/wildlifehabitatconnectivity/snoqualmiepasseastproject.htm">one cougar crossed the structure</a> between 2014 and 2022, for instance. But that finally changed in 2023, as the wildlife crossing saw the cougars cross five times. Cougars are still crossing this year, the teams have noticed, which is good news for the cougars, and the other wildlife who use this passage.

 This article originally appeared in Sentient at <a href="https://sentientmedia.org/new-wildlife-crossing-safe-passage/">https://sentientmedia.org/new-wildlife-crossing-safe-passage/</a>.
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