active greenhouse ventilation system Articles

  • Methane and carbon dioxide emission from two pig finishing barns

    Received for publication July 22, 2007. Agricultural activities are an important source of greenhouse gases. However, comprehensive, long-term, and high-quality measurement data of these gases are lacking. This article presents a field study of CH4 and CO2 emission from two 1100-head mechanically ventilated pig (Sus scrofa) finishing barns (B1 and B2) with shallow manure flushing systems and ...

  • Could these two environmental challenges be the answer to each other?

    In sub-Saharan Africa, entrepreneurs are exploring whether sanitation could solve a growing fuel crisis — and vice versa Sub-Saharan Africa suffers from, and often epitomizes, many of the environmental challenges faced by the developing world. Two challenges — safe sanitation and sustainable fuel — are receiving increasing attention, with both included among the ...

    By Ensia

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