Effects of future fossil fuel use on CO2 levels in the atmosphere

Anastasi, Christopher; Hudson, Rachel; Simpson, Victoria

doi:10.1016/0301-4215(90)90128-q

Cited by 15 publications

(12 citation statements)

References 5 publications

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“…A model has been developed which is used to calculate the number of animals per capita for each country in 1989 and then predict forward using the United Nations (UN) human population forecasts to estimate future CH 4 emissions to 2025. This approach has the advantage of reducing the number of variables that may be thought to affect the livestock levels to just the one variable known with a degree of certainty, i.e., population, and has been described in detail by Anastasi et al [1990Anastasi et al [ , 1992.…”

Section: Methods Of Analysismentioning

confidence: 99%

Future methane emissions from animals

Anastasi¹,

Simpson²

1993

J. Geophys. Res.

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The future global emission of CH4 from enteric fermentation in animals has been estimated for cattle, sheep, and buffalo, which together contribute approximately 91% of the total CH4 emitted from domesticated animals at present. A simple model has been used to relate livestock levels to the national human populations for each country involved in breeding the three species included in this analysis. United Nations population predictions to 2025 were then included in the model to estimate future CH4 emissions. A variational analysis was carried out to investigate the effect of future changes in both the land available for grazing and the nutritional content of feedstocks. Results suggest that the total emission of CH4 from enteric fermentation in domestic animals will increase from 84 Tg CH4 per year (Tg = 1012 g) in 1990 to 119 (±12) Tg CH4 yr−1 by 2025. These values correspond to an average rate of increase over the next 35 years of 1.0 Tg CH4 yr−1.

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Section: Methods Of Analysismentioning

confidence: 99%

Future methane emissions from animals

Anastasi¹,

Simpson²

1993

J. Geophys. Res.

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“…Some of the existing alternatives to fossil fuels include nuclear [3,4], hydro-electric, geothermal and wind power, biomass generation [5] and solar power (e.g. photovoltaic panels), which are all predicted to play important roles in the years to come.…”

Section: Introductionmentioning

confidence: 99%

Electrical output of bryophyte microbial fuel cell systems is sufficient to power a radio or an environmental sensor

et al. 2016

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Plant microbial fuel cells are a recently developed technology that exploits photosynthesis in vascular plants by harnessing solar energy and generating electrical power. In this study, the model moss species Physcomitrella patens, and other environmental samples of mosses, have been used to develop a non-vascular bryophyte microbial fuel cell (bryoMFC). A novel three-dimensional anodic matrix was successfully created and characterized and was further tested in a bryoMFC to determine the capacity of mosses to generate electrical power. The importance of anodophilic microorganisms in the bryoMFC was also determined. It was found that the non-sterile bryoMFCs operated with P. patens delivered over an order of magnitude higher peak power output (2.6 ± 0.6 µW m−2) than bryoMFCs kept in near-sterile conditions (0.2 ± 0.1 µW m−2). These results confirm the importance of the microbial populations for delivering electrons to the anode in a bryoMFC. When the bryoMFCs were operated with environmental samples of moss (non-sterile) the peak power output reached 6.7 ± 0.6 mW m−2. The bryoMFCs operated with environmental samples of moss were able to power a commercial radio receiver or an environmental sensor (LCD desktop weather station).

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“…Major sources of CH 4 (both natural and anthropogenic) include rice paddies, enteric fermentation, wetlands, natural gas leakage, and the combustion of fossil fuels, and fluxes for each of these have been estimated in several studies over the past decade. In this work we have extended an approach previously applied to predicting CO2 emissions from the combustion of fossil fuels [Anastasi et al, 1990] to future emissions of CH4, a gas which causes approximately 15% of the greenhouse effect at present. In particular, the work concentrates on the contribution of CH 4 arising from the cultivation of rice.…”

Section: Introductionmentioning

confidence: 99%

Future CH₄ emissions from rice production

Anastasi¹,

Dowding²,

Simpson³

1992

J. Geophys. Res.

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CH4 emissions from rice paddies have been estimated to the year 2025. A model based on current rice production per capita values (1989) for the 94 major rice‐producing countries and United Nations population predictions was used to calculate future emission fluxes of CH4. Results show that CH4 emissions from rice paddies are predicted to increase by an average of 1.1% yr−1 from the 1990 level of 97 Tg yr−1 to 145 Tg yr−1 in 2025.

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Effects of future fossil fuel use on CO2 levels in the atmosphere

Cited by 15 publications

References 5 publications

Future methane emissions from animals

Future methane emissions from animals

Electrical output of bryophyte microbial fuel cell systems is sufficient to power a radio or an environmental sensor

Future CH₄ emissions from rice production

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Effects of future fossil fuel use on CO2 levels in the atmosphere

Cited by 15 publications

References 5 publications

Future methane emissions from animals

Future methane emissions from animals

Electrical output of bryophyte microbial fuel cell systems is sufficient to power a radio or an environmental sensor

Future CH4 emissions from rice production

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Product

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Future CH₄ emissions from rice production