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News and Opinion

Coverage of carbon cycle since May 11, 2022.

Know This About Net Zero

"...Meanwhile greenwashing, or the spread of misleading information regarding an institution's environmental performance, has disoriented the public on what products, actions, and policies are aligned with the goal of net zero by 2050. For example, in many institutions' net zero-aligned transition plans, carbon offsetting is a crucial strategy to account for their emissions reduction targets. Rather than working to decarbonize internal operations and functions, many corporations and governments are looking outward to see where carbon removal can be maintained..."

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Green light for global greenhouse gas tracking network

"...According to WMO, between 1990 and 2021, the warming effect on our climate from the main greenhouse gases, carbon dioxide, methane and nitrous oxide, rose by nearly 50 per cent..."

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This critical Arctic organism is now infested with microplastics

"...As Melosira arctica grows on this ice, its stickiness attracts microplastics from the surrounding water. Later, when the ice melts, those trapped particles are liberated, releasing a concentrated dose of microplastics. A whopping 94 per cent of the microplastics the researchers found in the algae were smaller than 10 microns, or a millionth of a metre..."

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Want to sequester carbon? Save the wild things

"...“Ecological science has had a long history of overlooking the role of animals as an important driver of the biogeochemistry of ecosystems,” Oswald Schmitz, an ecologist at the Yale School for the Environment and an author of the study, told Grist. “What we say is that we know animals can change the vegetation makeup of ecosystems, and a lot of ecosystem ecologists say vegetation is important for ecosystem function and carbon cycling, then surely the animals must be important, too. ” According to the study, keeping global warming below 1..."

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Plastic bags leaving their mark on the deep-sea floor

"...On the bottom of the Philippine Trench, 10,000 metres deep, researchers saw plastic bags marking up the seafloor like teeny-tiny little trawlers. Photos by Alan Jamieson for Caladan Oceanic LLCThe plastic bags’ impact on the seafloor could have repercussions for deep-sea life, Onda says. The main source of food for many deep-sea creatures is the organic matter that falls from the surface..."

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Plastic Bags Are Leaving Their Mark on the Deep-Sea Floor Hakai Magazine

"...The plastic bags impact on the seafloor could have repercussions for deep-sea life, Onda says. The main source of food for many deep-sea creatures is the organic matter that falls from the surface. Kazumasa Oguri, a biologist at the University of Southern Denmark who was not involved in the research, says plastic bags barreling across and gouging into the sediment could bury this scarce food..."

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The Last Ice Area is disappearing

"...“It’s a mixed bag of emotions,” said Mueller. “There’s the scientific curiosity of measuring a changing system, but at the same time, it’s a feeling of great loss. ”The Arctic is no stranger to depletion, warming at a rate nearly four times faster than the rest of the planet..."

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What is blue carbon and why is it vital for mitigating Canada's carbon emissions?

"...It is the term scientists and researchers use to describe the carbon captured and stored in coastal and marine ecosystems. All water-based ecosystems such as wetlands, bogs and lakes absorb carbon but at a slower rate than coastal systems..."

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Guest post: Testing how the latest climate models simulate global soil carbon

"...According to the latest Global Carbon Budget, emitting a further 120bn tonnes of carbon into the atmosphere is likely to be enough to push global warming beyond the 1. 5C limit. This is a tiny number compared to the estimated 2,000 to 4,000bn tonnes of carbon stored in soils globally..."

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Guest post: The 50th anniversary of a remarkable global-warming prediction

"...Written by meteorologist John Sawyer, the paper entitled Man-made carbon dioxide and the greenhouse effect was published by the journal Nature in 1972..."

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‘Come-from-aways' breathing new life into Hillsborough, N.B.

"...Mayor Bob Rochon said on Tuesday that so many people are moving in, it's creating stress on the village's infrastructure. “We have an issue with the demand that's being put on the water supply so we're actively looking for another water supply,” he said. He said an influx of come-from-aways looking to take advantage of Hillsborough's relatively lower-priced real estate is breathing new life into the community and bolstering investment into new businesses..."

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Ontario emissions don't have

"...These emissions trap heat and warm the planet. The United Nations' Intergovernmental Panel on Climate Change calls for a sharp curtailing of emissions in order to stave off the worst effects of climate change in the future. Cross, who rose to the role of chief economic analyst during a 36-year career at Statistics Canada, meanwhile argues in his evidence that Ontario's emissions are an insignificant part of global greenhouse gas emissions and do little to impact Canada's climate targets..."

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Recommended Reading

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Podcasts

Recent episodes that mention carbon cycle.

Scott Denning: Semester at Sea | The Global Carbon Cycle | From Geology to Atmospheric Science

Duration: 2:23:11

"...Professor Scott Denning from the Department of Atmospheric Science at Colorado State University joins me to talk about his semester teaching at sea, his research career working on the global carbon cycle (especially the atmospheric and land portions), and his pathway from geology into atmospheric science..."

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Anna Harper: the Land Carbon Cycle

Duration: 1:58:11

"...Lecturer Anna Harper on vegetation, climate change, and her pathway into science..."

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Corinne Le Quéré on the global carbon cycle

Duration: 27:00

"...Throughout the history of planet Earth, the element carbon has cycled between the atmosphere, the oceans and the biosphere..."

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Corinne Le Qur on the global carbon cycle

Duration: 27:49

"...Throughout the history of planet Earth, the element carbon has cycled between the atmosphere, the oceans and the biosphere..."

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Informative Video

Discussions, Documentaries, and Investigative Reports about carbon cycle.

Re:Connect Campaign #shorts #regenerativeagriculture

"... "Animals grazing and living plants are a part of the carbon cycle..."

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Forest Degradation — Mathias Disney / Serious Science

"...There's an ecosystem service to us selfishly but to all other organisms that depend on them, so there's been a lot of work again in trying to understand how we can map degradation rather than just purely deforestation. ' ..."

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Academic Research

Recent peer-reviewed papers about carbon cycle relevant to the latest news.

Permafrost Monitoring from Space

"...In order to quantify the impacts of permafrost thaw on the carbon cycle, advancement in wetland and atmospheric greenhouse gas concentration monitoring from space is needed..."

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Synthesis of the land carbon fluxes of the Amazon region between 2010 and 2020

"...Overall, our results point to increasing human-induced disturbances (deforestation and forest degradation by wildfires) and reduction in the old-growth forest sink during drought..."

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China?s terrestrial ecosystem carbon balance during the 20th century: an analysis with a process-based biogeochemistry model

"...Here we combine spatially-explicit information on vegetation, soil, topography, climate and land use change with a process-based biogeochemistry model to quantify the responses of terrestrial carbon cycle in China during the 20th century..."

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Building capacity for estimating fire emissions from tropical peatlands; a worked example from Indonesia

"...Tropical peatlands are globally significant in the terrestrial carbon cycle as they are comprised of a large forest carbon sink and a large peat carbon store?both of which can potentially be exchanged with the atmosphere on decadal time frames..."

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"...Recent years have witnessed substantial contributions from the Indian hydrology community, which include quantifying climate change impacts on water and carbon cycle at a basin scale, improvements in hydrological modelling and forecasting extremes, the introduction of novel physics-based data-driven approaches, urban flood modelling and the development of first-ever state-of-the-art flood early warning system among other notable climate services..."

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Soil CO2 efflux variability influenced by different factors in the subtropical sacred groves of Manipur, North-East India

"...It suggests that the persisting carbon sink will be weakening with the increase in temperature, giving the feedback mechanism regarding carbon cycle under global warming scenario in the subtropical region..."

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Spatial variations and mechanisms for the stability of terrestrial carbon sink in China

"...Understanding the stability of terrestrial carbon sinks (S-TCS) contributes to more accurate prediction of the terrestrial carbon sink (TCS) in the context of future global change and helps inform climate change mitigation policies..."

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Carbon dioxide partial pressure and its diffusion flux in karst surface aquatic ecosystems: a review

"...Carbon dioxide (CO2) emissions from aquatic ecosystems are an important component of the karst carbon cycle process and also a key indicator for assessing the effect of karst carbon sinks..."

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Global contribution of pelagic fungi to protein degradation in the ocean

"...Background Fungi are important degraders of organic matter responsible for reintegration of nutrients into global food chains in freshwater and soil environments..."

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Quantitative response of vegetation phenology to temperature and precipitation changes in Eastern Siberia

"...This research provides as a foundation for research on how global climate change affects ecosystems and the global carbon cycle..."

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Photoelectrochemical CO2 Reduction: Perspective and Challenges

"...This leads to excessive emission of CO2, causing serious concern all over the world by altering the carbon cycle and global warming..."

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