A study found that fuel treatments can reduce fire severity and protect older trees desirable for their timber, wildlife, and carbon-storage value. The results showed nearly 60% of trees survived in stands with thinning plus fuel treatment, and three-quarters of larger trees survived.
An international team of scientists has found that the decline of the cave bear started 50,000 years ago due to human expansion and competition for land. The study analyzed mitochondrial DNA sequences from 17 new fossil samples and compared them with modern brown bears.
Researchers at the University of Leeds have found an innovative process to produce hydrogen from used cooking oil, generating some of the energy needed and producing a nearly carbon-neutral byproduct. This breakthrough technology has the potential to power cars, large-scale power plants, and even reduce energy loss during transmission.
A multidisciplinary team of scientists, led by Caltech's Nathan S. Lewis, will partner with institutions like Berkeley Lab to develop a method to produce fuels directly from sunlight. The goal is to simulate nature's photosynthetic apparatus for practical energy production.
A multidisciplinary team of scientists led by California Institute of Technology will receive funding to develop an integrated solar energy-to-chemical fuel conversion system. The goal is to produce fuels directly from sunlight, reducing dependence on oil and enhancing energy security.
A recent discovery of a 29-million-year-old fossil catarrhine provides new insights into the facial anatomy of the ancestral stock of apes and Old World monkeys. The Saadanius skull supports the hypothesis that the last common ancestor had a baboon-like, long snout, similar to that of modern true apes and monkeys.
James C. Liao, UCLA professor, receives Presidential Green Chemistry Challenge Award for his groundbreaking work on recycling carbon dioxide into products used in alternative transportation fuels or chemical feedstock. His technology addresses the problems hampering the development of bio-based chemicals and fuels.
Scientists at the Joint BioEnergy Institute have discovered a three-gene cluster from the bacterium Micrococcus luteus that enables the production of long-chain alkene hydrocarbons in E. coli. This breakthrough has significant implications for the development of renewable transportation fuels.
The world's oldest known fig wasp fossil has been discovered on the Isle of Wight, revealing that this tiny insect has remained virtually unchanged for over 34 million years. The fossil is almost identical to modern species, indicating a complex relationship between figs and their pollinators developed millions of years ago.
Researchers have found that biofuel combustion is more complex than previously thought, with diverse chemical reaction networks and the formation of toxic emissions. The study used a combination of laser spectroscopy, mass spectrometry, and flame chemistry modeling to explore decomposition and oxidation mechanisms.
A team of paleontologists, geochemists, and physicists used X-ray technology to analyze the Thermopolis Archaeopteryx fossil, revealing half a dozen chemical elements that were part of the living animal itself. The study confirms that feathers in the fossil are actual fossilized feathers containing phosphorus and sulfur.
Low-external-input cropping systems reduce energy and yield impacts compared to conventional corn and soybean rotation. Manure application decreases fossil fuel energy costs without significantly increasing labor inputs.
Chunshan Song has been awarded the Henry H. Storch Award in Fuel Chemistry by the American Chemical Society for his outstanding contributions to clean fuels and catalysis research. His work focuses on developing innovative methods for producing advanced thermally stable jet fuels and removing sulfur from liquid hydrocarbon fuels.
A team of experts has embarked on a groundbreaking project to develop sustainable aviation fuels in Australia and New Zealand. The Sustainable Aviation Fuels Road Map aims to accelerate the development of bio-derived jet fuels that can significantly reduce greenhouse gas emissions from the aviation sector.
The University of Michigan researchers have developed a pressure-cooking method to create better biofuels from algae, speeding up the crude-oil-making process from millennia to minutes. This new method eliminates the need for drying and extracting oil, making it more efficient and cost-effective.
A study by David Victor finds that fossil-fuel subsidies undermine energy security and worsen the environment. Most subsidies are a waste of money, and their removal could provide $550 billion annually for more beneficial programs.
Researchers at Kiel University discovered fossil whale bones with 0.5mm circular boreholes matching those of living Osedax worms, dating to 30 million years ago. The findings confirm that boneworms are at least 30 million years old and were feeding on whale bones during this period.
A new study explores the variability in fossil assemblages, finding that communities may be more resilient than thought. The researchers used living and fossil communities to investigate the factors affecting the low variability seen in fossil records.
Scientists have developed yeast that efficiently converts a wider range of plant waste sugars into alcohols for biofuel production. The modified yeast can produce both ethanol and butanol, which could replace fossil fuels with superior properties.
Researchers have developed a GlidArc reactor that uses electrically-charged clouds of gas to produce super-clean fuels from waste materials. The process can be done at a low cost and using common materials, making it an attractive alternative for producing biofuels.
A new analysis of the plant family tree suggests that flowering plants may be considerably older than previously thought, with origins dating back to 215 million years ago. This finding fuels ongoing debates over different approaches to dating the tree of life and contradicts previous fossil record estimates.
A new genus and species of carnivorous amphibian, Fedexia striegeli, has been discovered in western Pennsylvania with a remarkably well-preserved fossil skull. The discovery provides evidence that terrestrial vertebrates first appeared on land 300 million years ago during a period of global warming and drought.
Researchers at George Mason University and the University of Otago found a strong correlation between diatom diversity and whale species diversity over the last 30 million years. The study suggests that changes in ocean productivity may drive variations in whale fossil records, providing new insights into the evolution of modern whales.
A team of scientists is tracking carbon captured by plants and grasses to develop more efficient ways to remove CO2 from the atmosphere. Bioenergy crops could reduce emissions by several million tonnes in the UK over the next decade.
Researchers at JBEI developed an Escherichia coli bacteria strain to produce biodiesel fuel and other chemicals directly from plant biomass, overcoming the limitations of traditional biofuel production. The microbes can efficiently convert biomass into fuels with minimal chemical modifications.
A team of scientists from the University of Sheffield has created an air-lift loop bioreactor that consumes less than 18% more energy, making it a significant breakthrough in the production of alternative renewable fuels. The device is now being tested with various organizations to reduce energy consumption and costs.
A newly examined fossil of Miacis uintensis reveals that some early carnivores were built to walk on the ground at least part of the time. The analysis suggests that adaptations for terrestrial or semi-terrestrial locomotion were more common than previously suspected in early fossil carnivores.
Researchers at UCLA have genetically modified a cyanobacterium to consume carbon dioxide and produce isobutanol, a potential gasoline alternative. This method recycles carbon dioxide, reducing greenhouse gas emissions, and uses solar energy, making it an efficient and less expensive approach than current biofuel production methods.
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.
Researchers successfully produce PLA and copolymers through direct microbial fermentation, reducing production costs and environmental impact. This innovation could lead to the development of sustainable plastics based on renewable resources.
A fossil plant discovery by Peter Wilf and colleagues has reassigned the species Libocedrus prechilensis to Papuacedrus, indicating that Patagonia was once a warm, wet tropical place. This find also establishes a connection between tropical West Pacific regions and Australia via a forested Antarctic land bridge during the Eocene.
Researchers at Kansas State University are developing bio-based adhesives made from soybean, corn, sorghum and biomass fuels to replace environmentally hazardous materials. These adhesives could improve the economics of sustainable fuels and reduce air pollution.
A team of researchers is exploring the fossil record of ancient plants in Patagonia, Argentina, which could provide insights into plant evolution, distribution, and ecology. The study aims to determine if a major plant extinction occurred when dinosaurs went extinct and how long it took for recovery.
Researchers at Southern Methodist University discovered that Ethiopia's climate 27 million years ago had warmer soil temperatures and higher rainfall. The study used oxygen and hydrogen isotopes in fossil soils found in the highlands of northwest Ethiopia, providing a previously unknown picture of the paleolandscape.
Stanford University researchers propose that transitioning to renewable energy could reduce global power demand by 30%, making it cheaper than fossil fuels or nuclear energy. The study finds that wind, water, and solar energy can meet the world's power demands with minimal land area required.
Researchers at North Carolina State University aim to create fuels that can be used in place of conventional diesel, gasoline, and jet fuel. They plan to genetically modify Dunaliella algae to produce fatty acids that can be converted into fuels, with the goal of creating a cost-competitive, renewable energy source.
Researchers found molecular decay of the enamelin gene in toothless mammals, correlating with enamel loss in the fossil record and supporting evolutionary change. The study provides fresh evidence for Charles Darwin's theory of evolution, linking morphological degeneration to molecular decay.
A team of South Korean scientists has successfully engineered the bacterium E. coli to produce putrescine, an industrial chemical traditionally created using fossil fuels. The production process relies on renewable materials and reduces environmental harm associated with chemical synthesis.
A team of paleontologists and ornithologists have discovered evidence of vivid iridescent colors in fossil feathers dating back 40 million years. They found a preserved color-producing nanostructure, called melanosomes, which produced black with metallic greenish, bluish or coppery colors at certain angles.
A new study suggests that transitioning to renewable energy sources like wind and solar could eliminate 130 worker deaths annually. The researchers found that these industries pose significantly less risk of workplace injury and death compared to traditional fossil fuel industries.
Alexandre Tartakovsky's research on subsurface flow aims to clean up buried nuclear or toxic contaminants and store carbon dioxide from fossil fuels underground. His models help researchers trap contaminants and transform them into harmless minerals.
The Clemson University-led Center for Atomic-Level Catalyst Design aims to develop new catalysts for producing clean fuels and chemicals from renewable sources. The project seeks to lower the cost of renewable fuels and reduce carbon footprint through advanced computational methods.
A Florida State University research group has received a $1 million grant to develop new theoretical models for studying the microstructure of nuclear reactor fuels. The goal is to improve fuel reliability and performance, reducing the risk of mechanical failure and radioactive element release.
A study by the USDA Forest Service and university scientists found that climate plays a critical role in shaping wildfire behavior, particularly in the Western United States. Climate influences fuel production and drying, which varies among different ecosystems, leading to varying fire sizes and severities.
A new study suggests that including land use changes in greenhouse gas control strategies can lead to lower costs and preserved forests. The study found that valuing terrestrial carbon emissions can reduce the cost of reducing global emissions by half compared to only taxing industrial and fossil fuel emissions.
Princeton University will establish an energy research center with a focus on next-generation fuels and advanced engines. The center aims to optimize the design of clean fuels for transportation vehicles, tackling challenges of energy sustainability and global warming.
Researchers have created a nano-sized cobalt oxide photocatalyst that can effectively split water molecules, a critical step towards producing liquid fuels from carbon dioxide and water. The clusters are sufficiently efficient and fast, making them suitable for artificial photosynthesis.
A new carbon dioxide map of the US has been released on Google Earth, showing hourly and geographic emissions data for various fossil fuel sources. The map is an unprecedented inventory of CO2 emissions from different types of fossil fuel, offering insights into climate change.
Researchers found that tropical trees in undisturbed forests absorb 4.8 billion tonnes of CO2 emissions annually, including an unknown carbon sink in Africa. This massive carbon sink has significant implications for climate change, with the potential to buffer global warming by substantially reducing atmospheric CO2 levels.
A study published in Geophysical Research Letters proposes that reducing global fossil fuel use by 20% in 2020 and 60% in 2050 could postpone the onset of the next ice age by up to 170,000 years. By building up ice sheets, scientists can regulate climate and extend current interglacial periods.
The UK has launched a £27M bioenergy research centre to develop sustainable fuels and reduce carbon emissions. The centre will focus on improving crop yields, changing plant cell walls, and analyzing the economic life cycle of bioenergy sources.
A team of engineers and food scientists is working on a five-year project to create gelled rocket fuels that can improve the safety, performance, and range of rockets. The gels are designed to have a consistency similar to orange marmalade and can be throttled up and down for more precise control.
German scientists suggest biomass as a major source of energy, meeting global demand sustainably and economically. Afforestation on degraded land can produce enough biomass to replace fossil fuels, reducing CO2 emissions.
Researchers at Purdue University propose a flexible approach to producing alternative fuels, hydrogen, and electricity from waste materials. The new process could supply up to 20% of transportation fuels in the US annually, reducing greenhouse gas emissions by over 50%.
The RAND Corporation study concludes that oil sands and coal-to-liquids have the potential to ease upward pressures on oil prices and expand global fuel supplies. However, these alternatives also pose significant environmental risks, including water pollution and greenhouse gas emissions.
A US biofuels mandate may benefit energy needs but put environmental sustainability at risk, according to a recent article. The article emphasizes the need for research and sound policy to mitigate climate change while promoting sustainable production systems.
Researchers propose an experimental electrical heating process to extract oil from smaller deposits, reducing the need for costly steam-assisted drainage methods. This new approach could lead to lower fuels prices and increased oil production.
Researchers at University of Wisconsin-Madison have developed a process to convert plant sugars into gasoline, diesel, and jet fuel. The new process produces identical molecular compounds to traditional petroleum-based fuels, offering a promising alternative to fossil fuels.
Researchers used five emission scenarios to predict future carbon dioxide levels. If coal emissions are phased out by 2050, all scenarios result in levels below the 450 parts per million threshold, potentially avoiding 'dangerous' climate change. The study suggests reducing coal emissions is essential.
Scientists discovered a 75-million-year-old pregnant turtle fossil with a nest of 26 eggs in the badlands of Alberta, Canada, shedding light on ancient reptile reproduction. The fossilized eggs are found to have extremely thick and hard shells that may have evolved to protect them from desiccation or predators.