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64 Newest Publications about the topic greenhouse gases


A Large and Deep Root System Underlies High Nitrogen-Use Efficiency in Maize Production

15-May-2015 | Peng Yu et al., PLoS ONE, 2015

by Peng Yu, Xuexian Li, Philip J. White, Chunjian Li Excessive N fertilization results in low N-use efficiency (NUE) without any yield benefits and can have profound, long-term environmental consequences including soil acidification, N leaching and increased production of greenhouse gases. ...


[Review] Soil and human security in the 21st century

08-May-2015 | Ronald Amundson; Asmeret Asefaw Berhe; Jan W. Hopmans; Carolyn Olson; A. Ester Sztein; Donald L. Sparks, Science , 2015

Human security has and will continue to rely on Earth’s diverse soil resources. Yet we have now exploited the planet’s most productive soils. Soil erosion greatly exceeds rates of production in many agricultural regions. Nitrogen produced by fossil fuel and geological reservoirs of other ...


Mechanisms for low-frequency variability of summer Arctic sea ice extent [Earth, Atmospheric, and Planetary Sciences]

14-Apr-2015 | Rong Zhang, Proceedings of the National Academy of Sciences current issue, 2015

Satellite observations reveal a substantial decline in September Arctic sea ice extent since 1979, which has played a leading role in the observed recent Arctic surface warming and has often been attributed, in large part, to the increase in greenhouse gases. However, the most rapid decline ...


Regulation of plasmid‐encoded isoprene metabolism in Rhodococcus, a representative of an important link in the global isoprene cycle

28-Feb-2015 | Andrew T. Crombie, Myriam El Khawand, Virgil A. Rhodius, Kevin A. Fengler, Michael C. Miller, Gregg M. Whited, Terry ..., Environmental Microbiology, 2015

Abstract Emissions of biogenic volatile organic compounds (VOCs), form an important part of the global carbon cycle, comprising a significant proportion of net ecosystem productivity. They impact atmospheric chemistry and contribute directly and indirectly to greenhouse gases. Isoprene, ...


Energies, Vol. 8, Pages 1628-1643: Life Cycle Assessment of New Oxy-Fuels from Biodiesel-Derived Glycerol

27-Feb-2015 | Asdrubali, Francesco ; Cotana, Franco ; Rossi, Federico ; Presciutti, Andrea ; Rotili, Antonella ; Guattari, Claudia, Energies, 2015

Biodiesel is obtained by the process of transesterification of vegetable oils and animal fats and crude glycerol is the main by-product of the biodiesel manufacturing chain. As a result glycerol production has rapidly increased in the last decades. This work focuses on the development and the ...


Global emissions of refrigerants HCFC-22 and HFC-134a: Unforeseen seasonal contributions [Earth, Atmospheric, and Planetary Sciences]

09-Dec-2014 | Bin Xiang; Prabir K. Patra; Stephen A. Montzka; Scot M. Miller; James W. Elkins; Fred L. Moore; Elliot L. Atlas; Ben ..., Proceedings of the National Academy of Sciences current issue, 2014

HCFC-22 (CHClF2) and HFC-134a (CH2FCF3) are two major gases currently used worldwide in domestic and commercial refrigeration and air conditioning. HCFC-22 contributes to stratospheric ozone depletion, and both species are potent greenhouse gases. In this work, we study in situ observations of ...


This Week in Science

05-Dec-2014 | H. Jesse Smith, Science , 2014

Bringing up the problem of ice shelf melting | Eels shock their prey into risky behavior | A two-cell collaboration for inflammation | Theoretical chemistry can withstand the pressure | Epigenetic control during herpes virus infection | An ounce of prevention is better than violence | Using light ...


Recent climate and air pollution impacts on Indian agriculture [Sustainability Science]

18-Nov-2014 | Jennifer Burney; V. Ramanathan, Proceedings of the National Academy of Sciences current issue, 2014

Recent research on the agricultural impacts of climate change has primarily focused on the roles of temperature and precipitation. These studies show that India has already been negatively affected by recent climate trends. However, anthropogenic climate changes are a result of both global ...


Bioenergy in Mexico: Status and perspective

14-Oct-2014 | Gibrán S. Alemán‐Nava, Alexander Meneses‐Jácome, Diana L. Cárdenas‐Chávez, Rocío Díaz‐Chavez, Nicolae Scarlat, Jean‐ ..., Biofuels, Bioproducts and Biorefining, 2014

Abstract Mexico's government has introduced a Law on Climate Change that is unique worldwide; it establishes targets for greenhouse gases reductions at the same level of developed countries despite being an emerging country. This reform represents a crucial challenge for the electrical and ...


Seven days: 5–11 September 2014

11-Sep-2014 | ;, Nature, 2014

Seven days: 5–11 September 2014 Nature 513, 7517 (2014). The week in science: NIH finds forgotten ricin, scientists discover massive dinosaur, and greenhouse gases hit record highs.


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