Fuels, not fire weather, control carbon emissions in boreal forest

Fuels, not fire weather, control carbon emissions in boreal forest
Rockets represent carbon stored in wood, trees, and soil in four main boreal forest regions. Though fire weather helps “ignite” the rockets, the amount of emissions each forest can produce is determined by fuel load (soil layers) and flammability (soil moisture). Credit: Victor Leshyk, Center for Ecosystem Science and Society

As climate warming stokes longer fire seasons and more severe fires in the North American boreal forest, being able to calculate how much carbon each fire burns grows more urgent. New research led by Northern Arizona University and published this week in Nature Climate Change suggests that how much carbon burns depends more on available fuels than on fire weather such as drought conditions, temperature, or rain. In a large retrospective study that stretched across Canada and Alaska, the international team of researchers found that the carbon stored belowground in soil organic matter was the most important predictor of how

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Exclusive: HSBC targets net zero emissions by 2050, earmarks $1 trillion green financing

LONDON (Reuters) – HSBC HSBA.L will target net zero carbon emissions across its entire customer base by 2050 at the latest, and provide between $750 billion and $1 trillion in financing to help clients make the transition, Chief Executive Noel Quinn told Reuters.

FILE PHOTO: HSBC logo is seen on a branch bank in the financial district in New York, U.S., August 7, 2019. REUTERS/Brendan McDermid/File Photo

The pledge is the strongest statement by Europe’s biggest bank on climate change to date, although it met with criticism from some environmental groups for not taking more immediate action to curb its fossil fuel financing.

“COVID has been a wake-up call to us all, including me personally. We have seen how fragile the global economy is to a major event, in this case a health event, and it brings home the reality of what a major climate event could do,” Quinn told

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HSBC targets net zero emissions by 2050, earmarks $1 trillion green financing

By Lawrence White, Sinead Cruise and Simon Jessop

LONDON (Reuters) – HSBC <HSBA.L> will target net zero carbon emissions across its entire customer base by 2050 at the latest, and provide between $750 billion and $1 trillion in financing to help clients make the transition, its Chief Executive Noel Quinn told Reuters.

In the strongest statement by Europe’s biggest bank on climate change to date, its CEO outlined HSBC’s ambitions to align its activities with the Paris Agreement.

“COVID has been a wake-up call to us all, including me personally, we have seen how fragile the global economy is to a major event, in this case a health event, and it brings home the reality of what a major climate event could do,” Quinn told Reuters in a video interview.

HSBC aims to achieve net zero in its own operations by 2030, he added.

While other UK banks such as

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Rising nitrous oxide emissions could put Paris Agreement goals out of reach

Oct. 7 (UPI) — Around the world, nitrous oxide emissions are rising, imperiling the effort to meet the climate goals set by the Paris Agreement.

According to a new study, published Wednesday in the journal Nature, the growing use of nitrogen fertilizers by industrial agriculture has led to a dramatic increase in N2O emissions.

For the study, researchers analyzed major N2O sources and sinks all over the world. The effort was aided by scientists from 48 research institutions in 14 countries.

“This study presents the most comprehensive and detailed picture to date, of N2O emissions and their impact on climate,” lead study author Parvadha Suntharalingam, climate scientist at the University of East Anglia in Britain, said in a news release.

The data showed modern atmospheric nitrous oxide levels are 20 percent higher than preindustrial levels, increasing to 331 parts per billion in 2018 from 270 parts per billion in 1750.

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Nitrous oxide emissions pose an increasing climate threat, study finds

emissions
Credit: CC0 Public Domain

Rising nitrous oxide (N2O) emissions are jeopardizing the climate goals of the Paris Agreement, according to a major new study by an international team of scientists.


The growing use of nitrogen fertilizers in the production of food worldwide is increasing atmospheric concentrations of N2O—a greenhouse gas 300 times more potent than carbon dioxide (CO2) that remains in the atmosphere for more than 100 years.

Published today in the journal Nature, the study was led Auburn University, in the US, and involved scientists from 48 research institutions in 14 countries—including the University of East Anglia (UEA) in the UK—under the umbrella of the Global Carbon Project and the International Nitrogen Initiative.

The aim was to produce the most comprehensive assessment to date of all global sources and sinks of N2O. Their findings show N2O emissions are

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Which One Lowers Emissions More?

davis besse nuclear power station under a star filled sky

Photo by Mike Kline (notkalvin)Getty Images

  • New research suggests nuclear and renewable energy can’t coexist. The problem? The study only uses data from before 2014.
  • Renewables aren’t at a scale to replace the demand for nuclear, which reduces fossil fuel reliance and emissions.
  • Tiny nuclear has emerged to fill exactly the gap this paper describes, but it isn’t ready for primetime yet.

    In a new paper, researchers from the University of Sussex say they’ve found nuclear energy and renewable energy just can’t coexist. By studying numbers reported between 1990 and 2014, they say, they’ve concluded that nuclear doesn’t reduce carbon emissions enough and also crowds out development of renewables.

    ☢️You like nuclear. So do we. Let’s nerd out over nuclear together.

    This is a big claim, and one that’s full of a lot of contextual holes. Let’s dig in.

    Here’s the approach from the paper:

    “Here,

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    Scientist maps CO2 emissions for entire US to improve environmental policymaking — ScienceDaily

    With intense wildfires in the western U.S. and frequent, intense hurricanes in the Gulf of Mexico, the nation is again affected by extreme weather-related events resulting from climate change. In response, cities, states and regions across the country are developing policies to reduce their emissions of greenhouse gases, chiefly carbon dioxide (CO2). Even though many state and local governments are committed to these goals, however, the emissions data they have to work with is often too general and too expensive to provide a useful baseline and target the most effective policy.

    Professor Kevin Gurney of Northern Arizona University’s School of Informatics, Computing, and Cyber Systems today published results in the Journal of Geophysical Research detailing greenhouse gas emissions across the entire U.S. landscape at high space- and time-resolution with details on economic sector, fuel and combustion process.

    Gurney, who specializes in atmospheric science, ecology and public policy, has

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    Cambridge university’s endowment fund targets net zero emissions by 2038

    By Matthew Green

    LONDON (Reuters) – The University of Cambridge pledged on Thursday to reduce the climate-warming emissions from its investments to net zero within 18 years, a first among academic institutions under pressure from students to do more to combat climate change.

    The 800-year-old British university said it would rebalance its 3.5 billion pound ($4.5 billion) endowment fund to ensure that it stopped contributing to global warming by 2038 – ahead of many other climate-concerned investors, who have tended to set a 2050 deadline.

    “Cambridge is one of the world’s leading scientific universities and our plans are to align our investment portfolio with the science,” Tilly Franklin, the university’s chief investment officer, told Reuters television.

    Cambridge said it would divest any remaining holdings in fossil fuel companies by 2030 to support its goal, part of a broader Cambridge Zero initiative to harness the university’s scientific and convening power for

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    The key to lowering CO2 emissions is made of metal — ScienceDaily

    Carbon dioxide (CO2) levels are rising and our planet is heating up. What do we do? What if we used this excess CO2 as a raw material to produce things we need — similar to how plants use it to produce oxygen.

    This is one thing artificial photosynthesis has set out to do.

    Artificial photosynthesis is a chemical process that mimics the natural process of photosynthesis to convert sunlight, water, and carbon dioxide into useful things like carbohydrates and oxygen. The problem is that current technologies can only produce molecules with 1 carbon atom. These molecules are too weak to be used for the production of more complex materials. Standard experimental conditions have not been stable enough to allow for molecules with bonds of more than one carbon atom to form.

    New research at Osaka City University has found that simply adding metal ions like aluminum and

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    Wingsail Technology Uses Wind To Reduce Ships’ Emissions By 30%

    Shipowners and operators may be able to decrease their fuel-related costs and pollutant emissions up to 30%, thanks to a new system created by Bound4blue.

    The Spanish company aims at delivering automated wind assisted propulsion systems (also called wingsails) that can be integrated onto a wide range of vessels. The project was founded by Cristina Aleixendri, David Ferrer and José Miguel Bermúdez.

    “The three of us are aeronautical engineers, which clearly served as the foundation of the technology developed,” Bermúdez says. “We found soft sails installed in sailing boats or yachts, but none in commercial vessels. We believed we could apply our knowledge in aeronautics to build a high-lift device for the shipping industry adapted to its requirements, that could be the solution to the two showstopper challenges they are facing: high fuel operating expenses and emissions reduction pressure from international entities.”

    Before Bound4blue, the co-founders worked

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