Medio ambiente

Medio ambiente

AUTONOMOUS VEHICLE BLIND SPOT MANAGEMENT
21/04/2024 - Various examples are directed to systems and methods for controlling an autonomous vehicle comprising a tractor and a trailer. For example, a system may determine that a line from a position of a...
STOPPING ACTION OF AN AUTONOMOUS VEHICLE
21/04/2024 - A remote computer system may receive data associated with an autonomous vehicle traversing an environment along a route in accordance with a planned trajectory and data associated with an event...
Balai d'essuie-glace de véhicule automobile
21/04/2024 - Titre : Balai d'essuie-glace de véhicule automobile Balai d'essuie-glace (10) comprenant une lame d’essuyage (12) ayant une lèvre d’essuyage (14). Un premier canal (34) pour le liquide...
FUEL CELL SYSTEM AND FUEL CELL VEHICLE
21/04/2024 - A controller for a fuel cell system controls generated power of a fuel cell stack by switching a generation state of the fuel cell stack based on a state of charge of a power storage device. The...
Climate impacts set to cut 2050 global GDP by nearly a fifth
21/04/2024 - Climate change caused by CO2 emissions already in the atmosphere will shrink global GDP in 2050 by about $38 trillion, or almost a fifth, no matter how aggressively humanity cuts carbon pollution,...
Scotland is ditching its flagship 2030 climate goal—why legally binding targets really matter
21/04/2024 - The Scottish government has rescinded its 2030 target of a 75% emissions cut to greenhouse gas emissions, relative to 1990. The target was statutory, meaning it had been set in law in the Emissions...
Using deep learning to image the Earth's planetary boundary layer
21/04/2024 - Although the troposphere is often thought of as the closest layer of the atmosphere to the Earth's surface, the planetary boundary layer (PBL)—the lowest layer of the troposphere—is actually the...
Mapping plant functional diversity from space: Ecosystem monitoring with novel field-satellite integration
21/04/2024 - An international team of researchers, led by Professor Jin Wu from the School of Biological Sciences at The University of Hong Kong (HKU), has made a promising advancement in mapping plant functional...
A third of China's urban population at risk of city sinking, new satellite data shows
21/04/2024 - Land subsidence is overlooked as a hazard in cities, according to scientists from the University of East Anglia (UEA) and Virginia Tech. Writing in the journal Science, Prof Robert Nicholls of the...
The Aral Sea has made Central Asia significantly dustier, according to study
18/04/2024 - The drying up of the Aral Sea has made Central Asia 7% dustier in the last 30 years. Between 1984 and 2015, dust emissions from the growing desert almost doubled from 14 to 27 million tons. This is...
Biden administration set to deny 200-mile Ambler mining road through Alaska wilderness
18/04/2024 - The U.S. Department of the Interior is expected to issue an environmental report that recommends denying a permit needed to build a 200-mile access road to the Ambler mining district, according to...
Researchers realize hydrogen formation by contact electrification of water microdroplets and its regulation
18/04/2024 - Direct utilization of water as a source of hydrogen atoms and molecules is fundamental to the evolution of the ecosystem and industry. However, liquid water is an unfavorable electron donor for...
Engineers design spider-like robot that may be used to explore caves on Mars
18/04/2024 - A team of roboticists and mechanical and aeronautical engineers at Stanford University has developed a spider-like robot for possible use in exploring caves or lava tubes on Mars. In their paper...
Environment recognition technologies for off-road self-driving with improved real-time processing performance
18/04/2024 - Off-road environment recognition technologies for detecting extraneous substances such as dust, mud, snow, or rain during off-road autonomous driving of construction machinery, agricultural machines,...
Scientists develop framework to measure plastic emissions and bolster U.N. efforts to reduce pollution
17/04/2024 - University of Toronto (U of T) scientists have developed a framework for measuring plastic pollution emissions akin to the global standard for measuring greenhouse gas emissions. The researchers say...
Cold Coulomb crystals, cosmic clues: Unraveling the mysteries of space chemistry
17/04/2024 - While it may not look like it, the interstellar space between stars is far from empty. Atoms, ions, molecules, and more reside in this ethereal environment known as the Interstellar Medium (ISM). The...
Analyzing isotopes for nitrate in sake for combating beverage fraud in Japan
17/04/2024 - The demand for sake, a Japanese alcoholic drink, has increased globally. However, the rise in the popularity of sake has the potential for related beverage fraud. To address this issue, researchers...
Decarbonization scenario model analyzes ambitious pathways to net-zero carbon emissions
17/04/2024 - While the world would love to have a quick fix, there is no one specific pathway to stop or slow the rate of climate change.
Study quantifies ecological restoration effectiveness on greenhouse gas emissions
16/04/2024 - Increasing atmospheric concentrations of greenhouse gases (GHGs) are having irreversible consequences for the future of the Earth. However, the general pattern of the impacts of ecological...
Most countries are struggling to meet climate pledges from 2009, emissions tracking study shows
16/04/2024 - Nineteen out of 34 countries surveyed failed to fully meet their 2020 climate commitments set 15 years ago in Copenhagen, according to a new study led by UCL researchers.
New insight about the working principles of bipolar membranes could guide future fuel cell design
16/04/2024 - Bipolar membranes are a class of ion-conductive polymers comprised of two oppositely charged layers, known as the cation-exchange and anion-exchange layer. These membranes are central to the...