Researchers found that US rivers and streams are a significant source of CO2, releasing as much as a car burning 40 billion gallons of gasoline into the atmosphere. This could alter carbon modeling and require adjustments to regional carbon budgets.
Scientists have discovered a new form of carbon capable of withstanding extreme pressure stresses, surpassing that of diamond. The amorphous material was created by compressing glassy carbon to above 400,000 times normal atmospheric pressure.
The Baltic Sea is a significant source of carbon dioxide in the atmosphere, according to a recent study by the University of Gothenburg. The sea's ability to absorb carbon dioxide without increasing acidity has decreased in some regions, while increased in others due to local variations.
Researchers discovered two previously overlooked stages of carbon nanotube growth, including a disorderly tangle of tube growth that yields to orderly rows. The discovery sheds light on the controlled growth phases and their purposes in producing aligned carbon nanotubes for various materials and biomedical research.
Cyclists inhale more black carbon than pedestrians, potentially causing lung damage, according to a study led by Professor Jonathan Grigg. The researchers found that cyclists have 2.3 times more black carbon in their lungs when compared with pedestrians.
Researchers have discovered how living organisms, including humans, protect themselves from carbon monoxide poisoning by altering the structure of haemproteins. This mechanism allows for safe levels of internal carbon monoxide production without impairing cellular functions.
A team of scientists will explore the deep carbon cycle to uncover information about carbon hundreds of miles below Earth's surface. They aim to convert carbon dioxide into a rock-like material and potentially discover new materials with industrial applications.
A new study reveals that enhanced tree growth in tropical forests can stimulate soil micro-organisms, leading to the release of stored soil carbon. Researchers found that extra litterfall triggers a process called priming, which stimulates the decomposition of carbon stored in the soil.
A USC researcher collected samples from floating sediment traps in the San Pedro Basin to study how much carbon is locked up in the ocean. Her findings suggest that the majority of particulate organic carbon falling to the basin floor is marine-derived, acting as a carbon sink taking carbon out of the atmosphere via phytoplankton and l...
A new study provides a detailed account of the natural carbon cycle in agriculture, revealing that regions dependent on others for food release more carbon than they take in. The researchers developed a national crop carbon budget, finding that the crops absorb and return about 37% of the US's total annual carbon dioxide emissions.
Breeding crops with deeper and bushier root systems could double the amount of carbon captured from the environment, potentially reducing CO2 levels. This approach could also improve soil structure and water retention while enhancing sustainable plant yields.
Researchers found that reduced forest harvest levels led to increased carbon sequestration, making public lands a significant carbon sink. This discovery highlights the importance of forests in addressing global warming concerns.
Researchers at the University of Vienna have developed a method called "passive sampling" to measure the affinity of contaminants to carbon nanotubes. This method provides reliable results for realistic applications and can remove pollutants from contaminated water, making it a promising technology for water filtration.
Scientists report that the world's forests store approximately 2.4 gigatons of carbon per year, with boreal forests accounting for nearly 22% of total stored carbon. A warming climate may reduce the capacity of forests to sequester carbon, highlighting the importance of understanding their role in the global carbon cycle.
A recent study published in the journal Carbon Management suggests that using wood products can reduce carbon emissions by up to 10 tons per ton, making them a viable alternative to fossil fuels. Sustainably managed forests are found to be essentially carbon neutral, but older forests have limited capacity to absorb carbon dioxide.
A new study reveals that urban vegetation in Leicester stores 231,000 tonnes of carbon, equivalent to 3.16 kg C per square metre of the city. Planting more trees, particularly large ones, could increase this pool by 12%.
Purdue University scientist Kevin Keener's research suggests that rapidly cooling eggs can increase the activity of lysozyme, an enzyme that defends egg whites from bacteria. By re-saturating egg whites with carbon dioxide and altering pH levels, the technology aims to create a safer food product.
A new report by US and European researchers found that world forests are becoming larger carbon sinks due to increased density, with no significant expansion of forest area. This increase in density helped maintain regional carbon levels despite deforestation, offering a way to mitigate carbon emissions through managed forestry.
A new study reveals that climate projections don't accurately reflect soil carbon release, leading to potential flaws in global warming predictions. The researchers found that temperature variability affects the amount of carbon released from soils, with higher releases expected at lower latitudes.
Researchers used the Jaguar supercomputer to simulate the interactions within carbon-14 nuclei and found that strong three-nucleon forces extend its decay. This discovery helps explain why carbon-14 is a useful tool for dating ancient objects.
A Purdue University-led team analyzed prehistoric data to find the Earth's recovery from 56 million-year-old high CO2 levels was quicker than models predicted. The study suggests that more than half of added carbon dioxide was pulled from the atmosphere within 30,000 to 40,000 years.
New research from Carnegie Institution scientists found that black carbon aerosols have a greater effect on surface warming when emitted near the land and ocean surface. However, as altitude increases, surface warming decreases, while cooling occurs in the stratosphere.
A recent study found that mangroves store up to four times more carbon per hectare than most tropical forests. The high-carbon storage capacity of mangroves can be attributed to their deep organic-rich soils and complex root systems.
Reducing atmospheric carbon dioxide concentrations could increase global precipitation and prevent droughts, according to Carnegie Global Ecology scientists. The team's novel explanation shows that cutting CO2 can lead to an increase in thunderstorms and rainfall.
A study published in the International Journal of Water suggests that improving land management and farming practices in Australia could mitigate global climate change. Natural Sequence Farming, a technique developed by Peter Andrews and Duane Norris, mimics the once-efficient functions of the Australian landscape to improve soil healt...
A team of scientists has developed new methods for mapping carbon in Hawaii's forests, resulting in more accurate estimates and a lower cost. The approach reveals fundamental ecological controls over carbon storage and provides valuable insights into the state and dynamics of the world's forests.
The research aims to mitigate Arctic climate change by reducing black carbon emissions at mid-latitudes and Europe. The study will assess the impact of black carbon on Arctic climate and its links with warming caused by carbon dioxide.
A carbon swap bank could lead to genuine reductions in carbon dioxide emissions, according to Australian researchers. The concept allows for direct deposits of sequestered carbon and withdrawals of emission rights, bypassing issues with accurate measurement and international regulation.
Researchers at the University of Illinois have developed a simpler method to add iron to tiny carbon spheres, creating catalytic materials that can remove pollutants. The new technique uses ultrasonic spray pyrolysis and produces ash-free, inexpensive materials with potential applications for fuel cells and environmental remediation.
Researchers reconstruct carbon dioxide levels during the Middle Eocene Climatic Optimum, a 400,000-year period of extreme global warming. They found that atmospheric carbon dioxide levels doubled, leading to temperature increases of 4-6 degrees Celsius.
A study by the University of Wisconsin-Madison and other institutions reveals that expanding croplands in the tropics releases nearly twice as much carbon per unit of food produced compared to temperate regions. The findings highlight a pressing need to balance agricultural production with carbon sequestration.
Researchers have discovered that eggshell membranes can absorb significant amounts of carbon dioxide, with one study showing absorption of up to seven times the membrane's own weight. This finding presents a promising approach for mitigating climate change by utilizing waste eggshells as a carbon capture material.
New University of Florida research reveals that old carbon was stored in the icy waters of the Southern Ocean near Antarctica during the last glacial period. This discovery has significant implications for understanding future global warming scenarios and how much atmospheric carbon dioxide the oceans can absorb in the future.
The Rice University think tank aims to recycle carbon dioxide into useful products, partnering with energy companies to make carbon a profitable resource. Strategies include repurposing CO2 as a feedstock for chemicals or sequestering it in oil wells.
Researchers propose strategies to increase plant efficiency in absorbing light, altering root carbon conversion, and boosting bioenergy crops to combat climate change. The use of genetically engineered plants for carbon sequestration is part of a broader effort to enhance natural biological processes.
Rutgers marine scientist Elisabeth Sikes and her colleagues discovered a regional 'de-gassing' of carbon dioxide in the South Pacific and Southern Ocean after the last ice age, challenging global assumptions. This finding has significant implications for understanding ocean CO2 dynamics and geo-engineering.
A study by Rice University geochemists found that human activities like damming have completely obscured the natural carbon dioxide cycle in the Brazos River. The researchers used radiocarbon dating to determine the age of carbon dioxide samples from seven sites along the river, revealing a unique geochemical story.
The new model incorporates data on the carbon cycle, including ocean and forest absorption and release of CO2, to simulate future changes in global climate and carbon dioxide emissions. By reducing emissions by 56% by 2050, global warming would remain under the two-degree threshold until 2100.
Research at Uppsala University found a strong connection between lake sediment temperature and carbon dioxide production. A warmer climate is expected to increase carbon dioxide emissions by 4-27% over the next hundred years due to decreased organic carbon deposition.
A new study has accurately measured global carbon cycles, enabling more precise predictions of climate change's impact. The research found tropical forests and savannahs are key drivers of carbon dioxide uptake, with precipitation playing a significant role in determining global productivity.
Removing excess carbon dioxide from the atmosphere would cool the planet, but complexities of the carbon cycle limit its effectiveness. A long-term commitment spanning decades or centuries is required to keep atmospheric carbon dioxide concentrations low.
A geochemist raised concerns about the efficiency of carbon storage projects by highlighting the impact of underground chemical reactions on mineral dissolution. Research is needed to analyze reaction rates and affected minerals for better carbon storage project evaluation.
By studying fossil plant remains, scientists can gain insights into past temperatures and environmental conditions. The researchers found that water availability and plant type significantly impact the exchange of carbon isotopes between plants and the atmosphere.
Researchers at Children's National Hospital found that carbon monoxide levels increase during routine general anesthesia in young children. To reduce this risk, anesthesiologists recommend using specific absorbents and avoiding low-flow anesthesia to minimize exposure.
Researchers found that microbes become less efficient in converting carbon into CO2, leading to decreased carbon dioxide emissions from soils. As warmer temperatures persist, microbes decrease in number and eventually result in fewer emissions.
Researchers found that microbes become less efficient at converting carbon in soil into atmospheric CO2 as global temperatures rise, leading to reduced emissions. The study suggests that microbial efficiency decline may mitigate climate warming effects.
Researchers have discovered that an enzyme found in white blood cells can break down carbon nanotubes into harmless components. This breakthrough finding has significant implications for the future use of carbon nanotubes in medicine, potentially rendering them harmless and reducing toxicity.
A new model suggests that certain forests become net carbon generators when defoliated, a shift that could impact climate change mitigation. The research uses computer simulations to estimate seasonal carbon exchange rates and find that deforestation can lead to a decline in carbon absorption by up to 25%.
Researchers analyzed 439 soil respiration studies and found that the total amount of carbon dioxide flowing from soils has increased by about 1-2 percent per year since 1989. The study suggests that higher temperatures are unlocking old carbon, but more boreal data is needed to reach statistical relevance.
A new study finds that prescribed burns can reduce fire emissions of carbon dioxide in the West by an average of 18 to 25 percent. Prescribed fires are designed to burn underbrush and small trees, reducing the chances of subsequent high-severity wildfires and protecting large trees and keeping more carbon locked up in the forest.
Cyanobacteria build miniature factories inside themselves that turn carbon into fuel, with spatial organization improving efficiency. The discovery may help create designer bacteria for producing carbon-neutral fuels like biodiesel and hydrogen.
A study found that black carbon aerosols from India are a major contributor to the decline in snow and ice cover on the Himalayan glaciers. The research suggests that greenhouse gases alone are insufficient to explain the melting, with black carbon contributing at least 30% of the impact.
A study published in Psychological Science found that labels can influence people's attitudes towards certain policies. In a study, participants were offered the choice between two identical items with different prices, one labeled as a carbon offset and the other as a carbon tax. The results showed that Democrats supported the offset ...
The USGS estimates that the nation's forests and soils could store an additional 3-7 billion metric tons of carbon, equivalent to 2-4 years of US CO2 emissions. This potential is achieved by using agricultural lands for planting forests.
A new strategy proposes a biodiversity-focused approach to reduce carbon emissions from deforestation, favoring high-biodiversity nations in Southeast Asia and the Indian Ocean. This approach has been shown to contribute more to slowing biodiversity loss than traditional carbon-based credit scenarios.
A new UN climate treaty may inadvertently increase the risk of extinction for some species as governments prioritize reducing deforestation in high-carbon forests. The REDD scheme aims to curb carbon emissions by financially rewarding tropical countries that reduce forest clearance.
A fixable error in carbon counting could undermine biofuels' effectiveness in reducing greenhouse gas emissions. Correct accounting is crucial to mitigate climate change and protect investments. Bioenergy can capture more carbon than existing plants, but cutting down forests to replace them releases more CO2.
A new study estimates that Arctic lands and oceans are responsible for up to 25 percent of the global net sink of atmospheric carbon dioxide. The Arctic's potential to alter Earth's climate is significant, as current predictions suggest it could be diminished or reversed under global warming, potentially accelerating climate change.
The Arctic has been a carbon sink since the last Ice Age, but rapid climate change could eliminate it. Warmer temperatures and permafrost thawing could release more carbon dioxide into the atmosphere, accelerating global warming.
Researchers analyzed ancient air bubbles trapped in Antarctic ice to determine the composition of Earth's atmosphere 20 million years ago. They found that carbon dioxide levels were similar to today's only during this time period, when global temperatures were 5-10 degrees Fahrenheit higher and sea levels were 75-120 feet higher.