Finance

The ambitious Great Green Wall project, initiated by the African Union in 2007, envisioned a colossal green barrier stretching across Africa to halt desertification in the Sahel region. However, after nearly two decades and billions in pledged funds, the initiative has predominantly faced setbacks, with many restored areas returning to their arid state. This report delves into the intricate challenges that have plagued this monumental environmental endeavor, examining instances of failure alongside isolated pockets of success.

In the parched Kourtimale valley in Djibouti, the remnants of Abdi Guelleh's once-promising farm serve as a stark illustration of the Great Green Wall's struggles. What was meant to be a verdant agricultural haven, supported by an international initiative to fight desertification, now stands barren. In 2014, with significant funding, a water system was established, allowing Guelleh and his community to cultivate diverse crops, providing food security and a modest income. Yet, this prosperity was fleeting. Over time, persistent drought, faulty infrastructure, and increased water demand led to the system's collapse. Today, only a weekly water truck delivery sustains livestock, a grim reminder of a failed dream.

The initial concept of the Great Green Wall involved planting a continuous band of trees 4,350 miles long and 10 miles wide. This was projected to restore 250 million acres of land, sequester 250 million tons of carbon, create 10 million green jobs, and alleviate poverty and conflict. However, early tree-planting efforts were largely unsuccessful, with a vast majority of saplings perishing due to unsuitable species and insufficient water. Agronomist Dennis Garrity points out that such large-scale tree-planting in arid regions has a historical record of failure. By 2020, only 4% of the targeted land had been restored, prompting a shift in strategy towards broader land restoration and sustainable land management practices.

Senegal, initially a leading advocate and a supposed success story for the project, has also revealed significant shortcomings. Despite claims of restoring 850,000 hectares, observations by geographer Valerio Bini and environmental researcher Annah Zhu suggest that many reforested areas are indistinguishable from their natural arid surroundings. A 2025 study in Land Use Policy journal found minimal ecological benefits and only temporary social impacts from the Senegalese reforestation projects. This raises critical questions about the efficacy of current approaches and the allocation of the billions in international funding.

The financial aspect of the Great Green Wall is equally complex. The United Nations estimated a need for $33 billion, with further pledges of $19 billion in 2021 from international donors like the Green Climate Fund and the EU. However, tracking these funds and their impact has been a major challenge. National agencies responsible for implementation report receiving only a fraction of the allocated money. The Pan-African Great Green Wall Agency acknowledges issues with funding, coordination, national capacities, diverse environmental contexts, and political instability as significant hurdles. The Sahel’s volatile political landscape, often termed the “Coup Belt,” further diverts attention and resources from environmental priorities.

Despite these widespread challenges, there are isolated instances where the Great Green Wall initiative has brought tangible benefits. In Chad’s Kanem province, the NGO SOS Sahel supported villagers in Barkadroussou to revitalize their oasis. Through dune stabilization, provision of seeds, training, and a solar water pump, 300 independent farmers now thrive, cultivating diverse crops and stemming rural migration. This success story, however, highlights the precariousness of such projects, as its funding also ran out in 2023, leaving its future uncertain.

The journey of the Great Green Wall initiative has been fraught with difficulties, from the initial ambitious, yet flawed, tree-planting strategy to the complex web of funding and governance issues. While some local projects have demonstrated potential, the overarching vision remains largely unrealized. The ongoing efforts underscore the immense complexity of large-scale ecological restoration in vulnerable regions, necessitating improved coordination, community involvement, and sustained, adaptable financial support to avoid further disappointments for communities like Abdi Guelleh’s.

Dr. Trisha Pasricha, a distinguished gastroenterologist and director at Beth Israel Deaconess Medical Center, has coined the term "poophoria" to describe the ideal state of digestive health: bowel movements that are quick, painless, and effortless. With approximately 40% of Americans experiencing daily disruptions due to digestive discomfort, Pasricha's work aims to transform this common struggle into a positive, worry-free experience. Her new book, "You've Been Pooping All Wrong: How to Make Your Bowel Movements a Joy," provides practical, evidence-based advice to help individuals improve their gut health and achieve this state of digestive euphoria. She emphasizes that while there's no universal "perfect" bowel movement frequency or appearance, discomforts like bloating, constipation, or diarrhea signal a need for improved practices.

Pasricha's recommendations focus on holistic adjustments rather than quick fixes. She encourages a mindful approach to diet, stressing the importance of fiber and certain spices, while advising against ultra-processed foods and artificial sweeteners. Furthermore, she highlights the significance of proper toilet posture and limiting time spent on the toilet, especially avoiding smartphone use, to prevent issues like hemorrhoids and promote efficient bowel emptying. These insights aim to empower individuals to take control of their digestive well-being, reducing the need for medical intervention by fostering healthier habits and a better understanding of their body's signals.

Mastering Your Bowel Movements for Digestive Wellness

Achieving optimal digestive health, a state Dr. Trisha Pasricha refers to as "poophoria," involves transforming bowel movements into a painless and effortless daily routine. This ideal contrasts sharply with the reality for many Americans, where uncomfortable gut symptoms frequently disrupt daily life. Pasricha's approach, detailed in her recent publication, challenges conventional notions by explaining that there is no singular perfect frequency or appearance for bowel movements; rather, the focus should be on alleviating discomforts such as bloating, constipation, or diarrhea through informed choices. Her guidance is designed to equip individuals with the knowledge to foster a healthier relationship with their digestive system, thereby enhancing overall well-being.

Dr. Pasricha, a leading expert in gastroenterology and an assistant professor at Harvard Medical School, advocates for a set of evidence-based practices aimed at improving gut function. These include actively observing one's stool for color and consistency to identify potential issues, understanding that a healthy bowel movement frequency can range from three times daily to three times weekly. She stresses the critical role of dietary fiber in regulating both constipation and diarrhea, by either firming up loose stools or softening hard ones, and highlights its importance in nourishing gut microbes that produce beneficial short-chain fatty acids. Additionally, Pasricha suggests experimenting with spices like mustard and oregano, known for their ability to stimulate nerve receptors linked to regularity, and warns against the detrimental effects of excessive ultra-processed foods and artificial sweeteners on the gut microbiome and intestinal lining.

Cultivating Healthy Toilet Habits and Posture

Beyond dietary considerations, Dr. Pasricha underscores the profound impact of physical habits and toilet posture on digestive health. She strongly advises against prolonged periods on the toilet, specifically limiting it to five minutes, to prevent the weakening of connective tissues around hemorrhoids, which can lead to inflammation and discomfort. This recommendation stems from research indicating that extended sitting, especially with an unsupported pelvic floor, can exacerbate existing conditions or create new ones. Instead of lingering, individuals experiencing difficulty are encouraged to engage in light physical activity, such as a brisk walk, which has been shown to stimulate bowel contractions and aid in elimination, promoting a more natural and efficient process.

A critical aspect of Pasricha's advice concerns the avoidance of smartphones while on the toilet. Her own research demonstrated a significant correlation between smartphone use during bowel movements and an increased likelihood of hemorrhoids, largely due to the extended time spent in an unfavorable posture. Smartphones also contribute to mental stress through activities like "doom scrolling" or encountering "rage bait," which can inadvertently tighten pelvic floor muscles, hindering the natural process of defecation. As an alternative, she suggests reverting to traditional "bathroom reading" materials like comic books or short magazine articles. Furthermore, Pasricha champions the practice of squatting, or elevating the knees above the hips using a stool, to straighten the colon and facilitate easier bowel movements, drawing inspiration from anatomical alignment and even historical postures like Rodin's "The Thinker."