Articles tagged with Global Food Security
A new AI tool, Tessera, has been developed to map smallholder crops in Senegal with high accuracy, providing essential data for food security planning. The technology, trained on satellite images, outperformed existing methods and can be used to guide support decisions, helping vulnerable populations.
A new study by Colorado State University reveals that ag irrigation prevents higher greenhouse gas emissions by avoiding land conversion, saving 363 years' worth of emissions. Irrigation allows the US to grow more food on less land, reducing land-use change and its associated emissions.
A new study links severe water scarcity in wheat-growing regions to global wheat prices, finding that 3°C of warming could triple average wheat prices. The study used climate observations, crop geography, and global commodity prices to explore this connection.
A study of behavior-related digital dieting apps found that photo-informed expert feedback increased app use and improved meal recording, while photo-based peer observation reduced engagement and did not affect food choices. The findings provide practical guidance for designing effective digital health apps.
A new study from the University of Miami suggests that Brazil can build healthier and more sustainable food systems by encouraging people to eat more seafood. The researchers found that Brazilians could reduce nutritional deficiencies by increasing seafood consumption from six percent to 25 percent of their total protein intake.
Researchers develop pangenome-guided breeding strategy to combine beneficial genes and traits for higher yields and stress tolerance in crops. The approach identifies and reintroduces lost genetic variants from wild species, resulting in improved seed size and high-altitude adaptability.
A new review of current research highlights the importance of culturally grounded approaches to food systems literacy in addressing global hunger and malnutrition. The study suggests that Indigenous knowledge and participatory methods can improve food systems resilience and support communities to maintain traditional food practices.
Colorado State University researchers propose strategies to immobilize toxic metals and prevent plant uptake in rice grains, protecting food security and public health. The approach aims to reduce arsenic, cadmium, and mercury contamination in rice paddies using nanomaterials and chemical reactions.
Research by Lancaster University and the Indian Institute of Technology, Kanpur found that vulnerable families coped with food insecurity by limiting food diversity, taking loans, and temporarily withdrawing children from school. The study highlights the importance of local social networks and government support in mitigating crisis.
A recent study published in Cell has found that certain plants actively reduce their ability to take up iron when experiencing drought stress. This shift is driven by changes to plant roots that downregulate both immune systems and iron uptake machinery, allowing specific bacteria to thrive.
Researchers found that providing food baskets to households affected by TB can prevent 10,470 years of poor health or early death for every 10,000 patients. The intervention is estimated to be cost-effective, costing $141 per health gain, and could avert approximately 120,000 TB deaths per year nationwide.
Researchers have identified a novel genetic locus in the common agricultural weed Elymus repens that provides significant resistance to Fusarium Head Blight, a destructive fungal disease threatening global food security. The novel Fhb.Er-1StL locus has been successfully transferred into wheat, reducing diseased plant spikelets by up to...
A new report highlights the catastrophic risks of nature loss on food systems, economies and societies. Chronic pressures like soil degradation and water scarcity are already reducing crop yields and increasing food prices.
A new study finds that large-scale food fortification programs currently prevent around 7 billion cases of micronutrient inadequacies worldwide each year, costing just 18 cents per person. Improving and expanding these programs could triple their impact to prevent 25 billion cases annually.
Hundreds of migratory fish species are facing accelerating declines due to dam construction, habitat fragmentation, pollution, overfishing, and climate-driven ecosystem changes. The Global Assessment of Migratory Freshwater Fishes identifies 325 species needing coordinated international conservation efforts.
A new study suggests that ultra-sensitive food safety tests may drive food waste and unavailability without significant public health benefits. The researchers propose using more flexible risk-based approaches to align food safety policies with sustainability goals.
A study by Frontiers in Science argues that ultra-sensitive food safety tests may drive food waste and unavailability, but not always translate to health risk. The researchers propose a more balanced approach that considers trade-offs between food safety, sustainability, and nutritional health.
Climate mitigation policies may increase hunger risk due to land use competition, but ozone reduction benefits partially offset these effects. Ozone-driven yield gains reduce food prices and increase food availability, particularly in regions with severe hunger.
A comprehensive systematic review found that large-scale food fortification is a highly cost-effective intervention for reducing global malnutrition, with benefits far outweighing costs. The study analyzed 56 studies from 63 countries and found that fortification programs deliver substantial health benefits relative to costs.
A new study challenges the common method used worldwide to measure genetic progress in crop breeding, finding that most reported gains are due to maintenance breeding, not genetic improvements. This has significant implications for agricultural research policy and investment, highlighting the need for more robust evaluation methods.
Researchers have discovered a genetic region controlling resistance to Fusarium wilt Sub Tropical Race 4 (STR4) in a wild banana subspecies called Calcutta 4. This finding holds promise for developing sustainable and disease-resistant commercial banana varieties.
A new report by Anglia Ruskin University and the University of York identifies key weaknesses in the UK's food system and recommends interventions to prevent disruptions from escalating into a crisis. The study suggests increasing energy security, diversifying food value chains, and promoting varied diets to reduce risks.
The new centre will support the WHO in estimating disease burden from foodborne diseases and developing integrated risk-benefit approaches, combining nutrition, microbiological risks, and chemical contamination. The centre will contribute scientific expertise to achieve healthy, safe, and sustainable dietary patterns worldwide.
A UK study found that over 40% of consumers are willing to try new fish species, including sardines and anchovies. The research highlights the potential for improving national health and local economies by embracing home-caught seafood. It also reveals a generational divide in seafood consumption habits.
A new study reveals that global measures of food insecurity, such as the Integrated Food Security Phase Classification System, tend to understate the severity of hunger crises. The researchers found that up to 66.2 million people, or one in five, may be going uncounted due to conflicting data and conservative assessments.
A new review evaluates biological strategies to improve the efficiency of photosynthesis, highlighting promising solutions such as engineering Rubisco enzyme and developing cooperative crops. The research aims to address global challenges in agriculture and ensure food security for the world's population.
A new Cochrane review found that free or subsidized school meals slightly improve math achievement and enrolment rates in low- and middle-income countries. School feeding programs also likely contribute to small gains in physical growth indicators, but evidence from high-income countries is limited.
The 2025 Tata Transformation Prize recognizes Padubidri V. Shivaprasad's epigenetic engineering for climate-resilient rice, Balasubramanian Gopal's sustainable bio-manufacturing platform using E. coli bacteria, and Ambarish Ghosh's cancer-targeting magnetic nanorobots.
Researchers at Hosei University developed a hydroponic cultivation system using LED lighting to produce high-quality edamame consistently throughout the year. The nutrient film technique (NFT) method resulted in higher yields, better nutritional value, and increased productivity compared to traditional open-field cultivation.
A new study reveals that widely cited statistics on global water and food security are based on weak evidence and poorly connected to current data. The findings suggest that irrigation's role in global food and water security is highly ambiguous, ranging from 18% to 50%, and its share of global freshwater withdrawals is uncertain.
A global study found that crop rotation increases total yields, energy and protein content, and micronutrient levels in crops such as iron, magnesium, and zinc. The practice also leads to higher farm revenues and less year-on-year yield variability compared to continuous monocultures.
Researchers evaluate ways to redesign land use and nature conservation using integrated approaches to meet ecological, social, and economic goals. Multifunctional landscapes can promote biodiversity, food production, climate regulation, and human well-being.
Researchers have mapped the full genetic diversity of oat lines to understand their capacity for adaptation and resilience. The study provides a comprehensive overview of the pan-genome, including a directory of gene activity across different tissues and lines.
Researchers Prof David Julian McClements and Prof David L. Kaplan propose hybrid foods as a solution to reduce industrial animal use's carbon footprint and boost health. The authors emphasize the need for collaboration to optimize protein combinations balancing nutrition, taste, sustainability, and affordability.
Researchers reveal how hybrid foods combining proteins from different sources could be part of the solution to reduce industrial animal use. By using combinations of different proteins, they found that hybrids can overcome many limitations of individual protein sources and create products that are more than the sum of their parts.
A study by ICTA-UAB reveals that non-agricultural sectors absorbed most of the value added in global agri-food systems between 1995 and 2020. The Global South increased its share of agricultural production, but countries of the North still capture a disproportionate share of income from higher-value sectors.
A new study reveals that dried fish is an overlooked yet vital source of nutrition for millions of people across Africa, particularly for young children and women. The research found that even small portions of dried fish contribute significantly to recommended nutrient intakes for essential minerals like iron and zinc.
Dr. Essam Yassin Mohammed has been recognized for his leadership in promoting sustainable aquatic food systems, a key solution to global challenges like food insecurity and climate change. Under his direction, WorldFish has strengthened partnerships across Asia, Africa, and the Pacific to scale science-based innovations.
A new UN report reveals that global agricultural trade affects water access, alleviating water scarcity for high-income populations while intensifying shortages for low-income communities. The report calls for measures to address outstanding water inequity issues resulting from international food trades.
The Fresh Bucks program helps Seattle residents access healthy food by providing financial support for buying fruits and vegetables. Households participating in the program experience a 31% higher rate of food security and consume more fruits and vegetables than those on a waitlist.
Key findings include halting food waste by 75% and restoring half of degraded lands by 2050; the authors recommend shifting agricultural subsidies towards sustainable smallholder farms and implementing land-based taxes or tariffs to reward sustainable low-impact farming.
New research claims adding lime to agricultural soils can remove CO2 from the atmosphere, rather than cause emissions. The study, based on over 100 years of data, shows that the addition of acidity is the main driver for CO2 emissions from soils.
Research by Curtin University reveals that native habitats near farmland can enhance insect diversity, supporting pollination and crop resilience. The study's findings offer a potential solution to safeguarding global food security for the growing population, which will require increased agricultural productivity by 25-75% by 2050.
A study published in Nature Communications found that developing countries get more nutrition per dollar in seafood imports than developed countries. They receive more protein, fatty acids, iron, and vitamin B12 per dollar, largely because they pay less for non-nutritional attributes like convenience.
Rising temperatures and increased trade enable pests to spread globally, intensifying agriculture weakens natural pest control. Crop losses exceed 40% due to pest and disease impacts, necessitating urgent action for climate-smart management strategies.
A recent study reveals that microplastic pollution decreases photosynthetic efficiency by 7.05–12.12% across terrestrial plants, marine algae, and freshwater algae, leading to estimated annual losses of 4.11–13.52% for key staple crops like rice, wheat, and maize.
Climate change and air pollution threaten food systems, while agricultural activities contribute to global warming and poor air quality. Implementing mitigation and adaptation strategies within the food system can reduce emissions and improve resilience.
A recent study highlights both positive and negative effects of elevated CO2 on plants, affecting nutrient assimilation, growth, and crop quality. Crop varieties with superior biofortification traits can help alleviate nutrient deficiency.
Climate change will make it economically unsustainable for many areas to grow bananas for export by 2080, affecting the $11 billion banana industry. Socioeconomic factors such as labor availability and infrastructure hinder climate change adaptation in banana production.
New University of Sheffield research reveals agrivoltaics can meet UK electricity demand four times over, boosting crop yields and conserving water. Regions identified for effective deployment include Cambridgeshire, Essex, Lincolnshire, and the broader East and South East of England.
Researchers from ANU and international partners have identified a common 'weapon' used by disease-causing fungi to infect plants. This discovery could lead to the development of more resilient rice crops and other fruit and vegetable staples, bolstering global food security.
A new study in the Israel Journal of Health Policy Research found that food deliveries to Gaza between January and July 2024 exceeded international caloric and nutritional standards, except for dietary iron. Despite meeting energy and protein needs, distribution challenges prevented equitable access to food.
A new study by Purdue University reveals that improved crop varieties led to global benefits for the environment and food system sustainability. The analysis found that reduced agricultural land use saved 1,043 animal and plant species, with most avoided losses located in biodiversity hot spots.
A new study reveals that Chlorella Vulgaris, a freshwater microalga rich in protein and essential nutrients, holds immense promise as a sustainable and nutritious food source. The researchers emphasize the need for advancements in cultivation techniques, processing methods, and sensory improvements to enhance its appeal.
Research featured in Nature reveals that small-scale fisheries are crucial for meeting Sustainable Development Goals related to hunger, poverty, and climate change. The study found that these operations provide essential nutrients to 2.3 billion people and support the livelihoods of nearly 500 million individuals.
Researchers at UTIA and the USDA-ARS are developing advanced automated sensors, insect traps, and robotic technologies to identify pest species and determine contaminated areas. The new systems will reduce post-harvest losses and contamination in the global food market and supply chain.
A study recommends planting alternative crops in areas currently growing maize and rapeseed to increase productivity by 14.1% while minimizing leached nitrogen and water use. The optimal crop distributions also promote future food security with coordinated actions at the national scale.
A study reveals that the Russia-Ukraine war has a disproportionate impact on distant countries, leading to higher costs and fewer options for securing food supplies. Researchers used satellite images and metacoupling framework to analyze the connections between regional conflicts and global food accessibility.
Researchers found that animal-based products account for nearly 60% of agriculture's energy footprint worldwide. Despite improving efficiency, the world still relies heavily on fossil fuels to produce food, posing a risk to energy security and food supply.
The global energy return on investment for agriculture increased from .68 to .91 between 1995 and 2019, reflecting improvements in efficiency. However, the ratio has plateaued since 2014, indicating that more energy is required to produce food than it provides in calories.