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Smart Water Magazine (Espanha)
Em 2025: 5 notícias
Desde 1995: 45 notícias
Emerging pollutants are aggravating water crisis in developing countries, dossier says
Publicado em 04 de junho de 2025
As the population grows and urbanization and agro-industrial activity increase, the demand for freshwater is expected to rise by 55% by 2050. Experts project that this increase in demand will strongly impact a scenario already characterized by scarce and unequally distributed water resources, the privatization of an essential public asset, and deteriorating water quality, especially in developing countries.
Forced migration, social tensions, and military conflicts caused by the water deficit [...]
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Microalgae remove antibiotic residues from wastewater, reducing environmental contamination
Publicado em 14 maio 2025By Thais Szegö | Agência FAPESP – Microalgae of the species Monoraphidium contortum have the ability to remove antibiotic residues from water, especially sulfamethoxazole and trimethoprim. This reduces the risk of environmental contamination, avoiding serious consequences for the ecosystem and human health. This was the conclusion of a study conducted in partnership by Brazilian researchers affiliated with the Federal University of ABC (UFABC) in Santo André, the [...]ver notícia -
Aquatic sediment layers reveal 100 years of metal pollution in São Paulo, Brazil
Publicado em 30 abril 2025The history of metal pollution in the city of São Paulo, the largest metropolis in Brazil and the Southern Hemisphere, can be read in the layers of sediment accumulated over the last century. Using paleolimnology—a method that allows the reconstruction of past environmental changes based on sedimentary evidence— researchers reconstructed a century of metal pollution in the capital of the state of the same name from samples collected in the Garças Lake, in the [...]ver notícia -
Overexploitation of groundwater is compromising river flows in Brazil
Publicado em 19 fevereiro 2025More than half of Brazil’s rivers are at risk of reduced flow due to water seeping into underground aquifers. This is the result of an analysis of 17,972 wells throughout the country. Of these, 55.4% had water levels below the surface of the nearest rivers. This difference in hydraulic level creates a gradient that favors the seepage of water from the river into the subsoil, which can turn rivers into water flow losers. The study, conducted by researchers from Brazil and abroad, was [...]ver notícia -
Unique drainage and irrigation system gave way to the 'Neolithic Revolution' in the Amazon
Publicado em 30 janeiro 2025A pre-Columbian society in the Amazon developed a sophisticated agricultural engineering system that allowed them to produce maize throughout the year, according to a recent discovery by a team of researchers from the Institute of Environmental Science and Technology (ICTA-UAB) and the Department of Prehistory at the Universitat Autònoma de Barcelona, (Spain); the Universities of Exeter, Nottingham, Oxford, Reading and Southampton (UK); the University of São Paulo (Brazil) and [...]ver notícia -
El Niño exacerbates effects of drought on Amazon groundwater and increases fire risk, study finds
Publicado em 13 dezembro 2024The risk of fires in the Amazon is greater in regions where groundwater storage is compromised, especially when El Niño exacerbates the drought. Using satellite images and data from fires, researchers have been able to demonstrate the relationship between the climatic phenomenon and the propensity for fires, creating a tool that could help with future prevention efforts. The results of the study, based on information from 2004 to 2016, show a decrease in moisture conditions at three [...]ver notícia -
Low-cost method removes micro-and nanoplastics from water
Publicado em 13 novembro 2024Researchers at the University of São Paulo (USP) in Brazil have developed a novel nanotechnology-based solution for the removal of micro- and nanoplastics from water. Their research is published in the journal Micron. Tiny plastic particles are ubiquitous in the world today and may currently be one of the most important environmental problems, after the climate emergency and the accelerating extinction of species and ecosystems. Microplastics are in the soil, water and air, and in [...]ver notícia -
Internet of things platform helps producers plan water use
Publicado em 05 setembro 2024How can a crop be irrigated intelligently without evidence that enough water is available? Will there be sufficient rain to ensure the expected water supply? Does the amount of water used for this purpose comply with the permit issued by the water board? Answering these and other questions as a service provided to farmers and managers of other businesses is the aim of a project that is being conducted by Espectro in Campinas (São Paulo State, Brazil) and is supported by [...]ver notícia -
Drought in the Brazil's Cerrado is the worst for at least seven centuries, study shows
Publicado em 28 maio 2024A study conducted by researchers at the University of São Paulo (USP) in Brazil and reported in an article published in Nature Communications shows that the Cerrado, Brazil's savanna biome, is experiencing the worst drought for at least 700 years. Here's why. The effects of global warming have been particularly intense in the central region of the country, where the rise in temperatures is about 1 °C higher than the 1.5 °C global average. This has produced hydrological [...]ver notícia -
Experiment leads to material modified for use in solar-driven water splitting to produce hydrogen
Publicado em 20 maio 2024Research conducted in Brazil at the Center for Development of Functional Materials (CDMF) and the Center for Innovation in New Energies (CINE) has developed a novel approach to the plasma treatment of antimony tri-selenide (Sb2Se3) films that makes their surface hydrophilic, i.e. attracted to water molecules and easily dissolved by water, instead of hydrophobic (repelled by water). The study is described in detail in an article published in Chemical Engineering Journal. The material has [...]ver notícia