Medio ambiente
Medio ambiente
A new roadmap to close the carbon cycle
02/05/2024
-
A major approach to achieving net-zero carbon emissions relies on converting various parts of the economy, such as personal vehicles and heating, to run via electricity generated from renewable...
Researchers create massive open dataset to advance AI solutions for carbon capture
02/05/2024
-
To avoid catastrophic climate impacts, excessive carbon emissions must be addressed. At this point, cutting emissions isn't enough. Direct air capture, a technology that pulls carbon dioxide out of...
EPA underestimates methane emissions from landfills and urban areas, researchers find
02/05/2024
-
The Environmental Protection Agency (EPA) is underestimating methane emissions from landfills, urban areas and U.S. states, according to a new study led by researchers at the Harvard John A. Paulson...
New computer algorithm supercharges climate models and could lead to better predictions of future climate change
02/05/2024
-
Earth System Models—complex computer models that describe Earth processes and how they interact—are critical for predicting future climate change. By simulating the response of our land, oceans...
Methane emissions from landfill could be turned into sustainable jet fuel with plasma-driven process
01/05/2024
-
In a world first, University of Sydney researchers have developed a chemical process using plasma that could create sustainable jet fuel from methane gas emitted from landfills, potentially creating...
Qantas says app glitch exposed passengers' travel details
01/05/2024
-
Qantas apologized Wednesday after a "technology issue" with its mobile app exposed users' travel details including their names, flights and points.
Tire toxicity faces fresh scrutiny after salmon die-offs
01/05/2024
-
For decades, concerns about automobile pollution have focused on what comes out of the tailpipe. Now, researchers and regulators say, we need to pay more attention to toxic emissions from tires as...
Big data reveals true climate impact of worldwide air travel
01/05/2024
-
For the first time ever, researchers have harnessed the power of big data to calculate the per-country greenhouse gas emissions from aviation for 197 countries covered by an international treaty on...
Investigating coal emissions reductions and mortality in China
01/05/2024
-
In 2012, China was the largest consumer of coal in the world. In 2013, the State Council of China issued the "China National Action Plan on Air Pollution Prevention and Control," aiming to...
Vienna conference urges regulation of AI weapons
01/05/2024
-
The world should establish a set of rules to regulate AI weapons while they're still in their infancy, a global conference said on Tuesday, calling the issue an "Oppenheimer moment" of the...
Fueling the future: Researchers evaluate emissions in the aviation industry
30/04/2024
-
A research group led Prof. Fei Wei and Chenxi Zhang in Tsinghua University has published a perspective paper that evaluates the progression from deep-rooted fossil-fuel-dependent technologies to...
How artificial intelligence can transform U.S. energy infrastructure
30/04/2024
-
In the face of accelerating climate change, the U.S. aims to reduce the net carbon emissions of its economy to zero by 2050. Achieving this goal will require an unprecedented deployment of clean...
Abrupt permafrost thaw found to intensify warming effects on soil CO₂ emission
30/04/2024
-
According to a recent study published in Nature Geoscience, scientists have found that soil carbon dioxide (CO2) emissions are more sensitive to climate warming in permafrost-collapsed areas than in...
Lawmakers hope to use this emerging climate science to charge oil companies for disasters
29/04/2024
-
A fast-emerging field of climate research is helping scientists pinpoint just how many dollars from a natural disaster can be tied to the historic emissions of individual oil companies—analysis...
Red Sea diversions spew carbon emissions equal to 9 million cars
29/04/2024
-
Ships seeking to avoid ongoing attacks by Houthi rebels in the Red Sea area are emitting millions of additional tons of carbon, making it tougher for companies using ocean freight to reduce pollution...
Scientists say voluntary corporate emissions targets not enough to create real climate action
28/04/2024
-
Companies' emissions reduction targets should not be the sole measure of corporate climate ambition, according to a new perspective paper.
Reducing operation emissions and improving work efficiency using a pure electric wheel drive tractor
28/04/2024
-
Electric tractors are intended to be used in the field instead of traditional fuel tractors and can be used in greenhouse planting, indoor farming, mountainous operations, and other special operating...
Human activities have an intense impact on Earth's deep subsurface fluid flow
28/04/2024
-
The impact of human activities—such as greenhouse gas emissions and deforestation—on Earth's surface have been well-studied. Now, hydrology researchers from the University of Arizona have...
If plastic manufacturing goes up 10%, plastic pollution goes up 10%—and we're set for a huge surge in production
28/04/2024
-
In the two decades to 2019, global plastic production doubled. By 2040, plastic manufacturing and processing could consume as much as 20% of global oil production and use up 15% of the annual carbon...
US announces sweeping cuts to power sector carbon emissions
25/04/2024
-
President Joe Biden's government on Thursday finalized sweeping plans to curb planet-warming emissions from the nation's fossil fuel plants as part of the United States' efforts to confront the...
Africa's megacities threatened by heat, floods, disease—action needed to start greening, adapt to climate change
25/04/2024
-
Cities cover just 3% of the planet. But they emit 78% of all global greenhouse gas emissions, absorb 80% of final global energy (what consumers use) and consume 60% of clean drinking water.