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Locally optimized urban form can reduce carbon dioxide emissions

Research suggests that urban areas could reduce their carbon dioxide (CO2) emissions by optimizing their urban form. However, the relationship between urban form and emissions is highly context-dependent and generalizations cannot be made......»»

Category: topSource:  physorg2 hr. 52 min. ago

Mighty radio bursts linked to massive galaxies: New clues about how magnetars form

Since their discovery in 2007, fast radio bursts—extremely energetic pulses of radio-frequency light—have lit up the sky repeatedly, leading astronomers on a chase to uncover their origins. Currently, confirmed fast radio bursts, or FRBs, number.....»»

Category: topSource:  physorgRelated News7 hr. 53 min. ago

Public pressure found to influence whether companies reduce their environmental impact

The effectiveness of national voluntary programs asking companies to pledge to lower their pollution and greenhouse gas emissions depends on pressure from the public, according to a new study led by a Penn State researcher......»»

Category: topSource:  physorgRelated News7 hr. 53 min. ago

Microbial slime: The ultimate system to understand our planet

Billions of years ago, Earth was home to extreme environments, including intense UV radiation, frequent volcanic eruptions, and very high concentrations of carbon dioxide in the atmosphere. Yet, under these conditions, biofilms formed and within thes.....»»

Category: topSource:  physorgRelated News9 hr. 20 min. ago

Direct synthesis method uses recovered carbon dioxide and hydrogen to produce formic acid

With the goal of achieving a carbon-neutral society and eliminating greenhouse gas emissions by 2050, efforts are accelerating to utilize hydrogen as a key energy source. To achieve this goal, the technologies for hydrogen storage, transportation, an.....»»

Category: topSource:  physorgRelated News9 hr. 20 min. ago

Quantum vortices confirm superfluidity in supersolid

Supersolids are a new form of quantum matter that has only recently been demonstrated. The state of matter can be produced artificially in ultracold, dipolar quantum gases. A team led by Innsbruck physicist Francesca Ferlaino has now demonstrated a m.....»»

Category: topSource:  physorgRelated News9 hr. 20 min. ago

Food security in Africa: Managing water will be vital in a rapidly growing region

Sub-Saharan Africa's population is growing at 2.7% per year and is expected to reach two billion by the year 2050. The region's urban population is growing even faster: it was at 533 million in 2023, a 3.85% increase from 2022......»»

Category: topSource:  physorgRelated News9 hr. 20 min. ago

The frozen carbon of the northern permafrost is on the move—we estimated by how much

Among the most rapidly changing parts of our planet are the coldest landscapes near the top of the globe, just south of the Arctic. This region is warming two to four times faster than the global average......»»

Category: topSource:  physorgRelated News9 hr. 20 min. ago

New research may lead to potatoes that are less reliant on nitrogen fertilizers

Because nitrogen fertilizers contribute to global greenhouse gas emissions, scientists are looking for ways to modify agricultural plants so that they rely on less nitrogen. In research published in New Phytologist, investigators have found that bloc.....»»

Category: topSource:  physorgRelated News11 hr. 53 min. ago

Water overuse in Brazil"s MATOPIBA region could mean failure to meet up to 40% of local demand for crop irrigation

Considered one of the fastest-growing agricultural frontiers in Brazil, and the area with the highest greenhouse gas emissions in the Cerrado, Brazil's savanna-type biome, the region known as MATOPIBA, risks facing water shortages in the years ahead......»»

Category: topSource:  physorgRelated NewsNov 5th, 2024

Study identifies promising materials for fusion reactors

Nuclear fusion could be an ideal solution to mankind's energy problem, guaranteeing a virtually limitless source of power without greenhouse gas emissions. But there are still huge technological challenges to overcome before getting there, and some o.....»»

Category: topSource:  physorgRelated NewsNov 5th, 2024

Cells have more mini "organs" than once thought—these rogue organelles challenge biology"s fundamentals

Think back to that basic biology class you took in high school. You probably learned about organelles, those little "organs" inside cells that form compartments with individual functions. For example, mitochondria produce energy, lysosomes recycle wa.....»»

Category: topSource:  physorgRelated NewsNov 5th, 2024

Researcher: Beefing up Border Patrol is a bipartisan goal, but the agency has a troubled history

With U.S. voters across the political spectrum strongly concerned about border security, presidential candidates Kamala Harris and Donald Trump have been trying to one-up each other on who can reduce migration at the nation's southern border fastest.....»»

Category: topSource:  physorgRelated NewsNov 5th, 2024

Defibrillation devices can still save lives using 1,000 times less electricity, optimized model finds

In a paper published in Chaos, researchers from Sergio Arboleda University in Bogotá, Colombia, and the Georgia Institute of Technology in Atlanta used an electrophysiological computer model of the heart's electrical circuits to examine the effect o.....»»

Category: topSource:  physorgRelated NewsNov 5th, 2024

Ensuring a bright future for diamond electronics and sensors by perfecting the growth process

Researchers are developing new ideas about the best ways to make lab-grown diamonds while minimizing other forms of carbon, such as soot. These diamonds aren't destined for rings and necklaces, though. These are the kinds that are needed for the comp.....»»

Category: topSource:  physorgRelated NewsNov 5th, 2024

Study finds 30% of regions worldwide achieve economic growth while reducing carbon emissions

More and more regions around the globe combine economic growth with reducing carbon emissions, researchers from the Potsdam Institute for Climate Impact Research and the University of Potsdam found......»»

Category: topSource:  physorgRelated NewsNov 5th, 2024

How many trees does it take to cool a city? Researchers develop tool to set urban tree canopy goals

Cities around the globe are increasingly experiencing dangerous heat as urban concrete and asphalt amplify rising temperatures. Tree-planting programs are a popular, nature-based way to cool cities, but these initiatives have been largely based on gu.....»»

Category: topSource:  physorgRelated NewsNov 4th, 2024

Portal to the past: Geologist identifies metamorphic rock as a crucial feature of the ancient Earth"s carbon cycle

If Earth's history were a calendar year, humans would not appear until the last few minutes before midnight on Dec. 31. During the Proterozoic Eon—2.5 billion years to 543 million years ago—the sun was still a young star, much dimmer than today,.....»»

Category: topSource:  physorgRelated NewsNov 4th, 2024

Artificial intelligence: A double-edged sword for the environment?

As AI technology progresses, the energy demands of training complex AI models have surged, raising widespread concerns about associated carbon emissions. This rapid growth is fueled by global demand across industries and academia, leading to exponent.....»»

Category: topSource:  physorgRelated NewsNov 4th, 2024

Small reductions to meat production in wealthier countries may help fight climate change

Scientists and environmental activists have consistently called for drastic reductions in meat production as a way to reduce emissions and, in doing so, combat climate change. However, a new analysis concludes that a smaller reduction, borne by wealt.....»»

Category: topSource:  physorgRelated NewsNov 4th, 2024

Exploring how microbes in permafrost contribute to nitrous oxide emissions

Ecologist Christina Biasi is exploring the conditions under which tiny organisms contribute to permafrost soils emitting nitrous oxide. Her research could be essential for the development of future climate scenarios......»»

Category: topSource:  physorgRelated NewsNov 4th, 2024