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.
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 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.
Current international strategies overlook the role of inland waters in carbon cycling, but a new study highlights their disproportionate impact. The study suggests that rivers and lakes can alter the fate of terrestrial carbon, leading to significant changes in global carbon budgets.
Researchers found that adult fruit flies died after being exposed to carbon nanoparticles, while larvae showed no effects. The particles seemed to cause physical harm, such as clogging breathing holes and coating compound eyes.
New research reveals that permafrost in the Arctic contains over 1.5 trillion tons of frozen carbon, exceeding previous estimates by a factor of two. Thawing of this carbon can lead to massive releases of greenhouse gases, further exacerbating climate change.
Researchers have discovered a direct relationship between carbon dioxide emissions and global warming, allowing for the estimation of climate change based on cumulative carbon emissions. The study suggests that limiting total carbon emissions is crucial to avoid dangerous climate change.
Researchers found that tundra plant growth may initially keep up with rising CO2, but ultimately can't soak up excess carbon from thawing permafrost. This could lead to a significant increase in atmospheric carbon, highlighting the urgent need to address human-caused emissions.
Researchers measured carbon particles from plankton blooms in the Southern Ocean, finding most don't reach the deep ocean. Plankton blooms stimulate carbon capture, but carbon tied up in plankton doesn't sink far or fast.
Calculations suggest low-oxygen dead zones in the ocean will expand significantly over the next century. Marine animals will need more oxygen to survive as carbon dioxide levels increase, exacerbating the effects of 'dead zones'.
MSU researchers are leading an international project to develop systems to measure, monitor, and manage carbon in landscapes worldwide. The goal is to help growers around the world better protect their land, improve productivity, and fight global climate change by providing a tool to assess their carbon and climate impact.
Researchers have found that underground water is a major sink for carbon dioxide in gas fields, storing it safely for millions of years. This breakthrough could improve the accuracy of computer models used for carbon capture and storage, a crucial approach to reducing atmospheric carbon dioxide levels.
Researchers discovered that African forests are increasing in tree carbon stocks by an amount equal to the weight of a small car each year. This suggests that extra carbon dioxide in the atmosphere could be acting as fertilizer, but other factors like human occupation and past disturbance may also be at play.
Researchers found that converting Conservation Reserve Program grasslands to bioenergy grain crops does not result in significant loss of sequestered soil organic carbon. No-till farming practices can conserve and even enhance soil carbon sequestration in these areas.
Research shows that putting a price on carbon dioxide emitted by different land use practices can significantly change how land is used. The study found that addressing the land-based carbon is essential for stabilizing greenhouse gases at low levels.
Researchers found that perennial grasses like switchgrass and Miscanthus increase soil organic carbon, reducing the need for land conversion and promoting a more sustainable biofuel production. This study suggests using perennial crops on existing agricultural lands can help offset carbon emissions from traditional row crops.
The World Agroforestry Centre argues that existing technology can effectively monitor carbon storage in developing countries, potentially saving more carbon than closing 1,400 coal-burning power plants. Implementing carbon markets could generate $10 billion annually for rural poor communities.
A new Cornell study found that including realistic estimates of black carbon in soil climate models reduces predicted carbon dioxide emissions by 20% over 100 years. Soils are the world's largest source of carbon dioxide, producing 10 times more CO2 than human activities combined.
A new study by UC Irvine finds that fungi in dry spruce forests produce less carbon dioxide when soil is warmed, potentially slowing climate change. This discovery could influence global climate change predictions and policy.
Purdue researchers found that invasive earthworms enrich forest litter with lignin, a harder-to-decompose plant material, while those with low earthworm activity accumulate more easily degraded carbon. This shift affects soil organisms' ability to decompose remaining carbon.
Researchers at Ohio State University have discovered that tropical wetlands can store up to 80% more carbon than temperate wetlands, with the former sequestering around 300 tons of carbon per year. This finding has significant implications for climate change mitigation and highlights the importance of preserving these ecosystems.
A four-fold increase in global carbon dioxide emissions has been reported since 2000, with growth rates outpacing natural carbon sinks. Australian fossil-fuel emissions have grown by two per cent per year, making the country's reduction target increasingly challenging.
The symposium explores carbon sequestration methods, including forest management, agriculture, and ocean carbon capture. Experts discuss the importance of addressing legal and regulatory challenges to ensure effective carbon sinks.
The new global carbon budget shows unprecedented acceleration of CO2 emissions and atmospheric accumulation, with natural sinks growing slower than emissions. Decreasing forest cover mainly due to deforestation is responsible for a significant portion of emissions, while oceans' carbon uptake has decreased by 10 million tons.
Researchers analyzed carbon dioxide levels and found a remarkable correlation with climate fluctuations over 70,000 years. The study confirms the validity of computer models projecting a warmer climate due to human activities.
A new analysis suggests that old growth forests, often considered irrelevant to climate change mitigation, may account for up to 10% of global net carbon uptake. These forests continue to absorb carbon dioxide and store it in woody tissues, storing more than they release for centuries.
A recent Ohio State University study reveals that a single typhoon in Taiwan buries as much carbon in the ocean as all other rains combined, with 500,000 tons of carbon being washed away during Typhoon Mindulle. This finding could help scientists develop better models of global climate change.
A multi-year study reveals that nutrients from the Amazon River spread beyond the continental shelf and drive carbon capture in the deep ocean. Diazotrophs, which pull nitrogen and carbon from the air, offset respiration in tropical oceans, making them a significant carbon sink.
A new study by Swedish researchers suggests that charcoal may not be as effective at sequestering carbon in soils as previously thought. The study found that adding charcoal to forest soil increased the growth of microorganisms, leading to significant losses of native soil organic matter and carbon.
Scientists have discovered a natural feedback system that kept carbon dioxide levels in check before fossil fuels. The system, linked to mineral breakdowns, regulates the carbon cycle and prevents runaway greenhouse conditions. Human emissions have recently overwhelmed this delicate balance.
A new study published in Carbon Balance and Management found that the link between carbon cycle and human-induced emissions may only be relevant for several centuries. The research suggests that even weak but continuing emissions can lead to eventual saturation of climate-carbon cycle feedback, regardless of when emissions peak.
A recent study at the University of Illinois found that increased carbon dioxide in the atmosphere leads to decreased soil organic matter, contradicting expectations. The researchers attribute this finding to increased moisture in the soil, which accelerates decomposition and reduces soil productivity.
Scientists studying the Paleocene-Eocene Thermal Maximum (PETM) find analogies for global changes from continued carbon dioxide emissions. The ocean can absorb massive amounts of carbon, but acidification threatens corals and marine organisms building calcium carbonate shells.
UCLA chemists have developed a new class of materials called zeolitic imidazolate frameworks (ZIFs) that can selectively capture carbon dioxide, storing it like a reservoir. ZIFs outperform current porous carbon materials, capturing five times more carbon dioxide and requiring less energy.
A new study suggests that reducing carbon dioxide emissions to near-zero levels is necessary to stabilize the planet's climate. The research found that even with zero emissions, global temperatures would remain high for at least 500 years due to heat held in oceans, emphasizing the urgency of drastic action.
A Northwestern University professor is studying rivers to understand how organic carbon is processed and consumed by microorganisms, revealing that it's a bigger component of global carbon cycling than thought. The study provides a framework for assessing these processes and sheds light on the internal cycling of carbon in rivers.
A new study by the University of Minnesota and The Nature Conservancy found that turning native ecosystems into biofuel farms releases 17 to 420 times more carbon than the annual savings from replacing fossil fuels. This 'carbon debt' must be paid before biofuels can mitigate global warming.
A recent study found that northern ecosystems lose more carbon than they gain from warmer autumn temperatures, offsetting up to 90% of spring's increased carbon uptake. This reduction in carbon sequestration capacity is attributed to increased soil decomposition and decreased carbon uptake during autumn.
A recent study published in Nature reveals that northern terrestrial ecosystems are losing more carbon dioxide through autumnal warming than they gain during spring, offsetting nearly 90% of increased carbon uptake. This finding highlights the critical role of autumn temperatures in determining the carbon balance of these ecosystems.
Researchers at the University of Illinois have developed a new model that takes into account nitrogen dynamics to better understand how plants and soils interact with climate change. The model reveals that nitrogen availability influences carbon dioxide uptake, potentially leading to overestimations of forest carbon sequestration.
Researchers aim to develop a safety mechanism for next-generation nuclear power generators by studying carbon fiber composites embedded in a carbon matrix. The project seeks to understand how nanotubes improve the radiation-damage tolerance of ultra-thin carbon fibers.
Scientists from University College Cork, Dalian University of Technology, and Cardiff University developed a method for synthesizing bamboo-structured carbon nanotubes. The study found that catalytic nanoparticles played a key role in the synthesis process and acted as nucleation seeds for growth.
A NASA study found that Hurricane Katrina killed or severely damaged 320 million trees in Gulf Coast forests, weakening their ability to store carbon from the atmosphere. This has led to these forests releasing large quantities of carbon dioxide into the atmosphere, potentially amplifying climate warming.
The first 'State of the Carbon Cycle Report' reveals a troubling imbalance in North America's carbon budget, largely driven by human-caused emissions. The continent's natural sinks, such as forests and soils, may be unable to compensate for increasing carbon dioxide emissions.
A recent study found that forest fires in boreal forests have a greater direct impact on carbon emissions than climate change. The researchers used a computer model to simulate the carbon balance of one million square kilometers of Canadian forest over the past 60 years, determining that fires are the primary driver of carbon emissions.
Researchers found that erosion acts as a sink for atmospheric carbon, capturing about 1.5% of annual fossil-fuel emissions worldwide. This challenges previous estimates suggesting soil erosion could be a significant source or sink of carbon.
Agricultural soil erosion removes more carbon from the atmosphere than it emits, creating carbon sinks equivalent to 1.5% of annual fossil fuel emissions. The study challenges previous assessments that erosion contributes significantly to global warming.
A recent study confirms that the proportion of carbon dioxide emissions absorbed by land and oceans is declining, leading to a faster increase in atmospheric CO2 levels. This trend has major implications for climate modeling and highlights the need to reduce global emissions to mitigate climate change.