A new study evaluates the contribution of the Fenton-like reaction to atmospheric oxidation, and improves the consistency of model-simulated and field-observed secondary organic aerosol budgets.
Maritime litter is among the most urgent global pollution issues. Marine scientist Nikoleta Bellou and her team at Helmholtz-Zentrum Hereon have published an overview study of solutions for prevention, monitoring, and removal in the renowned scientifically journal Nature Sustainability. They found that reducing ocean pollution requires more support, integration, and creative political decisiveness.
Scientists have devised a novel way of tackling the mounting issue of plastic pollution... by using bacteria to transform plastic waste into vanilla flavouring.
Researchers from the Department of Mechanical Engineering at the UPV/EHU are studying and optimising the mechanical and thermal properties of new mortars and concrete made using industrial by-products, such as lime mud from the paper industry, brass fibres and furnace slag, with the aim of reducing the consumption of energy and natural resources and fostering the circular economy.
Soot particles from oil and wood heating systems as well as road traffic can pollute the air in Europe on a much larger scale than previously assumed. The evaluation of the sources during a measuring campaign in Germany showed that about half of the soot particles came from the surrounding area and the other half from long distances. This underlines the need to further reduce emissions of soot that is harmful to health and climate.
Using more than 3.4 million citizen scientist observations of 140 different bird species across the continental U.S., researchers found that common bird species avoided areas with excessive noise. In areas where light and noise pollution both occurred, many additional species avoided backyard feeders. Seasonal patterns and variation in the length of night also influenced how species respond to light pollution.
Researchers have created a plant-based, sustainable, scalable material that could replace single-use plastics in many consumer products.
Small pieces of plastic are everywhere, stretching from urban environments to pristine wilderness. Left to their own devices, it can take hundreds of years for them to degrade completely. Catalysts activated by sunlight could speed up the process, but getting these compounds to interact with microplastics is difficult. In a proof-of-concept study, researchers reporting in ACS Applied Materials & Interfaces developed self-propelled microrobots that can swim, attach to plastics and break them down.
COVID-19 caused a 30% fall in electronic and electrical equipment sales in low- and middle-income countries but only a 5% fall in high-income countries, intensifying the north-south digital divide, the UN says. Sales of heavy appliances like refrigerators fell hardest (6-8%) while laptops, cell phones and gaming equipment defied the general trend, rising in high-income countries and on a global basis, but dropping in low- and middle-income countries.
The Institute for Bioengineering of Catalonia (IBEC) and DAM Company develop a system equipped with chemical sensors that provides information, in real time, on the intensity and location of odor sources in the Waste Water Treatment Plants (WWTP).