Medio ambiente

Medio ambiente

More than half of Colorado River's water used to irrigate crops, assessment shows
28/03/2024 - Irrigation for agriculture uses more than half of the Colorado River's total annual water flow, reports a paper published in Communications Earth & Environment. This finding is part of a new...
Blood, sweat, and water: New paper analytical devices easily track health and environment
28/03/2024 - When you need to measure white blood cell counts, it usually involves trips to clinics and expensive equipment for analysis. Likewise, checking water quality for contaminants can be a lengthy process.
German court rules against Mercedes in emissions case
28/03/2024 - A German court ruled Thursday that auto giant Mercedes-Benz knowingly installed emissions-cheating devices in some diesel vehicles, opening the door for owners to seek compensation.
Paving new paths for sustainable construction
28/03/2024 - The construction sector today faces several challenges. Natural sand is fast becoming a scarce resource—we might run out of it by 2050. Carbon dioxide emissions, especially from manufacturing...
Forest regeneration projects failing to offset carbon emissions
27/03/2024 - Forest regeneration projects that have received tens of millions of carbon credits and dominate Australia's carbon offset scheme have had negligible impact on woody vegetation cover and carbon...
New study reveals influencers of global biogenic volatile organic compound emission trends over the last 20 years
27/03/2024 - Biogenic volatile organic compounds (BVOCs) emitted by vegetation are important precursors of ozone and secondary organic aerosols in the atmosphere, affecting air quality, clouds, and climate....
Advancing towards sustainability: Turning carbon dioxide and water into acetylene
27/03/2024 - Reaching sustainability is one of humanity's most pressing challenges today—and also one of the hardest. To minimize our impact on the environment and start reverting the damage humanity has...
Sweden aims to boost plastic recycling with giant plant
27/03/2024 - Discarded crisp bags, ketchup bottles and Tupperware containers speed along conveyer belts at a massive high-tech sorting plant dubbed "Site Zero", which Sweden hopes will revolutionize its...
Vast Vienna wastewater heat pumps showcase EU climate drive
27/03/2024 - In a large hall on the outskirts of Vienna, shiny pipes carry treated wastewater through three giant heat pumps, part of Austria's drive to reduce carbon emissions and its dependence on Russian gas,...
Manila confronts its plastic problem through a community-guided protocol
26/03/2024 - Governments and international organizations have touted the circular economy, in which materials and products stay in circulation for as long as possible, as an antidote to our global plastic...
Curbside collection improves organic waste composting, reduces methane emissions
26/03/2024 - Most organic household waste ends up in landfills, where it generates methane, a powerful greenhouse gas. Composting food and garden waste instead of sending it to landfills can significantly reduce...
Accelerating China's transition to carbon neutrality and clean air
26/03/2024 - China's commitment to achieving carbon neutrality by 2060 necessitates significant transformations across its economic landscape. Concurrently, air pollution remains a pressing issue, affecting...
Highly efficient heterogeneous telomerization of 1,3-butadiene with methanol
26/03/2024 - To promote the high-quality development of high-end polyolefin, the development of highly efficient heterogeneous catalysts for the telomerization of 1,3-butadiene and methanol to the linear product...
New concrete possibilities from waste materials
26/03/2024 - The use of recycled concrete and glass aggregates in concrete production has emerged as a highly promising means of increasing the recycling rate of waste materials—but durability issues have...
Electrochemistry helps clean up electronic waste recycling, precious metal mining
26/03/2024 - A new method safely extracts valuable metals locked up in discarded electronics and low-grade ore using dramatically less energy and fewer chemical materials than current methods, report University...
Boosting the durability of eco-friendly cars' power source
25/03/2024 - Proton exchange membrane fuel cells (PEMFCs) stand at the forefront of clean energy solutions for vehicles, promising zero emissions, high efficiency, and minimal noise. Despite these advantages, the...
EPA's new auto emissions standard will speed the transition to cleaner cars
25/03/2024 - The U.S. Environmental Protection Agency released strict new emissions limits on March 20, 2024, for cars built from 2027 through 2032. The final rule for Multi-Pollutant Emissions Standards caps a...
Scientific drilling unravels historical mystery surrounding Santorini volcanic archipelago
25/03/2024 - An international team of scientists co-led by Dr. Steffen Kutterolf from GEOMAR Helmholtz Center for Ocean Research Kiel has found evidence of a historical submarine eruption of the Kameni volcano on...
Droughts in Europe could be avoided with faster emissions cuts
25/03/2024 - Rapid climate action could mean devastating dry periods in the Mediterranean become less frequent by the end of the century, a new study shows.
AIR SUPPLY PLENUM FOR VEHICLE HEAT EXCHANGER
24/03/2024 - An electric vehicle includes a first heat exchanger positioned adjacent to a front of the electric vehicle and configured to transfer heat generated from a first heat generating system to an...
A dynamically stable self-healable wire based on mechanical–electrical coupling
24/03/2024 - Highly flexible and conductive wires play a crucial role in integration and application of wearable devices. However, the frequent stress and deformation in practical use are prone to cause...