Showing 20 articles starting at article 81
< Previous 20 articles Next 20 articles >
Categories: Ecology: Endangered Species, Geoscience: Geochemistry
Published Nitrogen emissions have a net cooling effect: But researchers warn against a climate solution



An international team of researchers has found that nitrogen emissions from fertilizers and fossil fuels have a net cooling effect on the climate. But they warn increasing atmospheric nitrogen has further damaging effects on the environment, calling for an urgent reduction in greenhouse gas emissions to halt global warming.
Published New Zealand's flightless birds are retreating to moa refuges



Researchers have found New Zealand's endangered flightless birds are seeking refuge in the locations where six species of moa last lived before going extinct.
Published Solar absorption by black carbon in fire clouds quantified



Aerosol scientists quantify the extent of light absorption by black carbon in fire clouds to better model climate impacts of extreme wildfire events.
Published Great Salt Lake a significant source of greenhouse gas emissions



Newly announced research examining greenhouse gas emissions from the drying lake bed of Great Salt Lake, Utah, calculates that 4.1 million tons of carbon dioxide and other greenhouse gases were released in 2020. This research suggests that drying lake beds are an overlooked but potentially significant source of greenhouse gases, which may further increase due to climate change.
Published A recipe for zero-emissions fuel: Soda cans, seawater, and caffeine



Engineers discovered that when the aluminum in soda cans is purified and mixed with seawater, the solution produces hydrogen -- which can power an engine or fuel cell without generating carbon emissions. The reaction can be sped up by adding caffeine.
Published Better way to produce green hydrogen



Researchers have developed a material that shows a remarkable ability to convert sunlight and water into clean energy.
Published Tackling industrial emissions begins at the chemical reaction



Researchers are proposing a new way to curb industrial emissions, by tapping into the 'atomic intelligence' of liquid metals to deliver greener and more sustainable chemical reactions.
Published Seven steps to achieving the right to clean indoor air post-pandemic



Seven lessons learned from the COVID-19 pandemic about ventilation's crucial role in preventing the spread of airborne pathogens has been set out in a new article.
Published Researchers develop innovative battery recycling method



A research team is tackling the environmental issue of efficiently recycling lithium ion batteries amid their increasing use.
Published New groups of methane-producing organisms in Yellowstone



The team verified that microbes found in Yellowstone National Park hot springs produce methane to grow.
Published Study of urban moss raises concerns about lead levels in older Portland neighborhoods



Lead levels in moss are as much as 600 times higher in older Portland, Oregon, neighborhoods where lead-sheathed telecommunications cables were once used compared to lead levels in nearby rural areas, a new study of urban moss has found.
Published Researchers record images and data of a shark experiencing a boat strike



Researchers have captured what they believe is the first ever video of a shark or any large marine animal being struck by a boat.
Published Warehousing industry increases health-harming pollutants, research shows



A new study shows an average 20-percent spike of nitrogen dioxide polluting the air for communities located near huge warehouses. And people of color are harder hit.
Published Whale shark tracked for record-breaking four years



Researchers have been tracking a 26-foot endangered whale shark -- named 'Rio Lady' -- with a satellite transmitter for more than four years -- a record for whale sharks and one of the longest tracking endeavors for any species of shark.
Published New study supports stable mantle chemistry dating back to Earth's early geologic history and over its prodigious evolution



A new analysis of rocks thought to be at least 2.5 billion years old helps clarify the chemical history of Earth's mantle -- the geologic layer beneath the planet's crust. The findings hone scientists' understanding of Earth's earliest geologic processes, and they provide new evidence in a decades-long scientific debate about the geologic history of Earth. Specifically, the results provide evidence that the oxidation state of the vast majority of Earth's mantle has remained stable through geologic time and has not undergone major transitions, contrary to what has been suggested previously by other researchers.
Published Trees reveal climate surprise -- bark removes methane from the atmosphere



Tree bark surfaces play an important role in removing methane gas from the atmosphere.
Published Drawing water from dry air



A prototype device harvests drinking water from the atmosphere, even in arid places.
Published Researchers develop more environmentally friendly and cost-effective method for soil remediation



Chemists have developed a rapid electrothermal mineralization (REM) process, which in seconds can remediate the accumulation of synthetic chemicals that can contaminate soil and the environment.
Published Best bioenergy crops for sustainable aviation fuels by U.S. region, policy goals



Researchers analyzed the financial and environmental costs and benefits of four biofuels crops used to produce sustainable aviation fuels in the U.S. They found that each feedstock -- corn stover, energy sorghum, miscanthus or switchgrass -- performed best in a specific region of the rainfed United States. Their study will help growers and policymakers select the feedstocks most suited to meeting goals like reducing production costs, lowering greenhouse gas emissions and building soil carbon stocks.
Published A window of opportunity for climate change and biodiversity



World leaders must take advantage of a pivotal window of opportunity for forging a much-needed joined-up approach to tackle climate change and biodiversity loss, say scientists. Without this, work on tackling either crisis could inadvertently harm progress on the other.