Medio ambiente

Medio ambiente

Life-cycle greenhouse gas emissions of biomethane and hydrogen pathways in the European Union
14/10/2021 - A new life-cycle analysis of potentially low-greenhouse-gas options for producing hydrogen in Europe finds that only hydrogen produced using renewable electricity can be effectively zero-emission,...
Chemists' dye method holds promise for long-term data storage
14/10/2021 - In the digital age, every byte of data needs to go somewhere—and preferably stay there a long time. That last part is a major problem when it comes to data-storage systems, which typically last...
Ultrasound can enable faster, more sustainable battery recycling
14/10/2021 - Known by expectant parents as the technology that enables them to see their child for the first time, ultrasound can be used at extremely low frequencies to serve an entirely different purpose....
Country roads, take me home—in an electric car
14/10/2021 - In the 1930s and 1940s, the Rural Electrification Act wired farms to the grid, turning on lights across the American countryside. Parallel efforts added phone service in these sprawling, sparsely...
Plant-based jet fuel could reduce emissions by 68%
14/10/2021 - Replacing petroleum-based aviation fuel with sustainable aviation fuel derived from a type of mustard plant can reduce carbon emissions by up to 68%, according to new research from University of...
The plastic recycling system is broken. Here's how we can fix it
14/10/2021 - The investor Warren Buffett once remarked that "only when the tide goes out do you discover who's been swimming naked". For the plastics recycling industry, the pandemic was a bit like the tide going...
Court orders France to fix greenhouse gas cut shortfall
14/10/2021 - A French court on Thursday ordered the government to make up for its failure to meet its own greenhouse gas reduction targets, saying it needed to "repair" the emissions overshoots.
NHTSA asks Tesla if it plans to issue recall after Autopilot update
13/10/2021 - WASHINGTON — U.S. auto safety regulators are requesting information from Tesla Inc. on its Full Self-Driving beta testing program and asking whether the electric vehicle maker intends to recall...
Remote work may be keeping some cities' air cleaner
13/10/2021 - In the spring of 2020, COVID-19-related restrictions in the United States led to reductions in nitrogen oxide (NOx) emissions because of the sudden drop in road traffic. But even after restrictions...
Hydrological environment influences litter carbon input into soil organic carbon pool in Dongting Lake floodplain
13/10/2021 - Litter decomposition determines the return of carbon (C) to the atmosphere, which plays a key role in carbon balance in terrestrial ecosystems.
Plastics recycling deadlines loom—will companies meet their goals?
13/10/2021 - Many of the world's largest consumer product companies, including Cocoa-Cola, Unilever and PepsiCo, have set ambitious targets for replacing virgin plastics with recycled ones— typically 25% of...
Liquid metal proven to be cheap and efficient CO2 converter
13/10/2021 - A global collaboration, led by researchers from UNSW, has shown how liquid gallium can be used to help achieve the important goal of net zero carbon emissions.
Sales fall in Sept. for 5th straight month behind chip crunch
12/10/2021 - The widespread semiconductor shortage and resulting inventory squeeze sent China sales of new vehicles...
Tesla supplier CATL announces $5 billion battery recycling facility
12/10/2021 - CATL, the leading battery manufacturer in China, has shared new plans to create a $5 billion facility to recycle used batteries for...
Lake formation and expansion due to sea-level rise causes freshwater resource depletion on small islands
12/10/2021 - Portland, Ore., USA: Coastal regions and small ocean islands face significant risks from rising sea levels due to climate change, because waters can flood and inundate low-lying land surfaces....
Study lays out feasibility for slashing land-based GHG emissions from forests, farming and consumer behavior
12/10/2021 - At a time when only one country in the world is on track to reduce greenhouse gas emissions in line with limiting global warming to 1.5ºC, a new study published in Global Change Biology provides a...
Scientists urge speedy switch to renewables in Middle East
12/10/2021 - A climate change conference will underscore to policymakers in the Middle East and the east Mediterranean that the switch from fossil fuels to renewable energy sources is needed urgently because...
How recovery from COVID-19's impact on energy demand could help meet climate targets
12/10/2021 - The pandemic-related drop in greenhouse gas emissions in 2020 was likely the largest on record in a single year, but how our recovery might affect future emissions is less clear. New modeling...
Attention-based deep neural network increases detection capability in sonar systems
12/10/2021 - In underwater acoustics, deep learning is gaining traction in improving sonar systems to detect ships and submarines in distress or in restricted waters. However, noise interference from the complex...
Winds of change: Improvements for wind energy production
12/10/2021 - The development of wind energy, a renewable, emissions-free energy source, is widely acknowledged as an imperative to mitigate greenhouse gas emissions and the impacts of climate change. In recent...
BEHAVIOR PREDICTION OF SURROUNDING AGENTS
11/10/2021 - Methods, systems, and apparatus, including computer programs encoded on computer storage media, for predicting occupancies of agents. One of the methods includes obtaining scene data...