Despite reports that global emissions of the potent greenhouse gas hydrofluorocarbon (HFC) were almost eliminated in 2017, an international team of scientists, led by the University of Bristol, has found atmospheric levels growing at record values.... PHYS.ORG · 2 months
New technique for measuring greenhouse gas production from thawing permafrost  PHYS.ORG · 2 weeks
A research team led by McGill University geochemist Peter Douglas has used a new method for measuring the rate at which methane is produced by microbes breaking down... more
Global supply chains as a way to curb carbon emissions  PHYS.ORG · 3 days
The coronavirus outbreak raised everyone's awareness of the significance of global supply chains to modern economies. But global supply chains also play an important role in greenhouse gas... more
Concrete solutions that lower both emissions and air pollution  SCIENCE DAILY · 6 days
Some common strategies to reduce the greenhouse gas emissions of concrete production could have unintended consequences for local air pollution and related health damages, according to a new study. more
Machine learning augments detection of methane leaks  SCIENCE DAILY · 3 weeks
Though not as prevalent in the atmosphere as carbon dioxide, methane is a far more potent greenhouse gas. Occurring naturally as well as being manmade, methane is much shorter-lived than CO2, but it is... more
Hyperspectral imaging and artificial intelligence combine to augment detection of methane leaks  PHYS.ORG · 3 weeks
Though not as prevalent in the atmosphere as carbon dioxide, methane is a far more potent greenhouse gas. Occurring naturally as well as being... more
Freeze-dried soil is more suitable for studying soil reactive nitrogen gas emissions  PHYS.ORG · 3 weeks
Earth's atmosphere and climate change are strongly affected by gas exchange between land and atmosphere. Reactive nitrogen (Nr) gas emissions from soils, e.g., nitrous... more
NASA satellite offers urban carbon dioxide insights  PHYS.ORG · 3 weeks
A new NASA/university study of carbon dioxide emissions for 20 major cities around the world provides the first direct, satellite-based evidence that as a city's population density increases, the carbon dioxide it emits per... more
Emissions of several ozone-depleting chemicals are larger than expected  PHYS.ORG · 2 weeks
In 2016, scientists at MIT and elsewhere observed the first signs of healing in the Antarctic ozone layer. This environmental milestone was the result of decades of concerted effort by... more
Even concerned consumers don't know which food choices have the lowest climate impact  PHYS.ORG · 3 weeks
The energy used to grow, process, package and transport food accounts for about a quarter of global greenhouse gas emissions. But not... more
Why Canada should drop its net-zero pledge to cut carbon emissions  PHYS.ORG · 2 weeks
At the climate summit held in Paris in December 2015, the government of Prime Minister Justin Trudeau committed to reducing Canadian emissions of greenhouse gases (most... more
Heat stress may affect more than 1.2 billion people annually by 2100  PHYS.ORG · 2 weeks
Heat stress from extreme heat and humidity will annually affect areas now home to 1.2 billion people by 2100, assuming current greenhouse gas emissions,... more
New 3-D view of methane tracks sources  PHYS.ORG · 6 days
NASA's new 3-dimensional portrait of methane concentrations shows the world's second largest contributor to greenhouse warming, the diversity of sources on the ground, and the behavior of the gas as it moves through the... more
Heat stress may affect more than 1.2 billion people annually by 2100  SCIENCE DAILY · 2 weeks
Heat stress from extreme heat and humidity will annually affect areas now home to 1.2 billion people by 2100, assuming current greenhouse gas emissions,... more
Study examines environmental footprint of California dairy cows over 50 years  PHYS.ORG · 2 weeks
Producing a liter of milk in California emits less greenhouse gas and uses less land and water than it did in 1964, according to a recent... more
A tenth of active and abandoned oil and gas wells in northeastern B.C. are leaking  PHYS.ORG · 4 weeks
Northeastern British Columbia has been a major centre of conventional oil and gas production since the 1960s. More... more
Less ice, more methane from northern lakes: A result from global warming  SCIENCE DAILY · 3 days
Shorter and warmer winters lead to an increase in emissions of methane from northern lakes, according to a new study. Longer ice-free periods contribute... more
Computer model solves mystery of how gas bubbles build big methane hydrate deposits  SCIENCE DAILY · 2 weeks
New research has explained an important mystery about natural gas hydrate formations and, in doing so, advanced scientists' understanding of how gas... more
Computer model solves mystery of how gas bubbles build big methane hydrate deposits  PHYS.ORG · 2 weeks
New research from The University of Texas at Austin has explained an important mystery about natural gas hydrate formations and, in doing... more
Localized cocktail chemoimmunotherapy after in situ gelation to trigger robust systemic antitumor immune responses  Science Magazine · 4 weeks
Currently, there is a huge demand to develop chemoimmunotherapy with reduced systemic toxicity and potent efficacy to combat late-stage cancers... more
Less ice, more methane from northern lakes: A result from global warming  PHYS.ORG · 3 days
Shorter and warmer winters lead to an increase in emissions of methane from northern lakes, according to a new study by scientists in Finland... more
Ammonia emitted from fertilized paddy fields mostly does not end up in air  PHYS.ORG · 6 days
Livestock production and nitrogen fertilizer used in croplands emit lots of ammonia, which is the most abundant alkaline gas in ambient air.... more
Under extreme heat and drought, trees hardly benefit from an increased carbon dioxide level  PHYS.ORG · 3 days
The increase in the CO2 concentration of the atmosphere does not compensate the negative effect of greenhouse gas-induced climate change... more
Italy's coronavirus response dramatically reduces air pollution emissions, satellites show  LIVE SCIENCE · 2 weeks
As the world scrambles to confront the disease caused by a novel coronavirus, Italy has been forced to take such dramatic measures that the country's emissions have changed,... more
How horses can save the permafrost  PHYS.ORG · 2 weeks
Permafrost soils in the Arctic are thawing. As they do, large, additional quantities of greenhouse gases could be released, accelerating climate change. In Russia, experiments are now being conducted in which herds of horses, bison and... more
Discovery points to the origin of mysterious ultraviolet radiation  nanowerk · 2 weeks
Billions of lightyears away, gigantic clouds of hydrogen gas produce a special kind of radiation, a type of ultraviolet light known as Lyman-alpha emissions. The enormous clouds emitting the light... more
Satellite track emissions drop over China, Italy during coronavirus outbreak  LIVE SCIENCE · 7 days
As satellites orbiting Earth have observed, as coronavirus has progressed, there has been less air pollution over Italy and lowered nitrogen-dioxide emissions over China. more
UN chief says drop in emissions from virus will not solve climate crisis  PHYS.ORG · 3 weeks
UN Secretary General Antonio Guterres warned Tuesday that while the global outbreak of coronavirus may have caused a temporary drop in emissions... more
Under extreme heat and drought, trees hardly benefit from an increased CO2 level  SCIENCE DAILY · 3 days
The increase in the CO2 concentration of the atmosphere does not compensate the negative effect of greenhouse gas-induced climate change on trees:... more
Scientists discover tuberculosis bacterium channels vitamins into the cell  NEWS MEDICAL · 4 days
A new study published in the journal Nature in March 2020 reports a unique transport protein found within the tubercle bacillus, Mycobacterium tuberculosis. This huge membrane-spanning vesicular protein is different... more
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