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Hydrogen fuels
… to make hydrogen is from fossil fuels, especially natural gas. With this approach, producing hydrogen is responsible for carbon dioxide added to Earth’s atmosphere. Only if the hydrogen … interesting proposition. Being odorless, colorless, and at trace concentrations, hydrogen is easy to overlook, but any …
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Soil carbon sequestration as a climate change solution
… that soil carbon sequestration is slow stems from its nitrogen and phosphorus contents, which are also lost … fertilizer result in ancillary emissions of nitrous oxide—arguably a greenhouse gas worse than CO2. Nitrous oxide emissions from soils …
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To Be Equitable, US Urban Green Infrastructure Planning Must Transform
To Be Equitable, US Urban Green Infrastructure Planning Must … Planning concludes that this will require fundamental transformation in planning processes, and puts forth an … of the Urban Systems Lab. More details and other project publications can be found at www.giequity.org . …
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In the tropics, nitrogen-fixing trees take a hit from herbivores
In the tropics, nitrogen-fixing trees take a hit from … of the tropical forest carbon sink. By partnering with soil microbes, nitrogen-fixing trees turn atmospheric nitrogen gas into a form of nitrogen that is available to plants. …
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Gary M. Lovett: Scientist, Mentor, Advocate, & Friend
… early research transformed how scientists calculate forest nitrogen budgets. He was among the first to document that … the eastern US. Dr. Canham notes “The thing that I consider so absolutely remarkable about Gary’s science … & enjoyed very much our discussions about the fate of soil C and N on those plots. I will always remember you! …
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Beech Bark Disease
… girdle the tree, disrupting its internal nutrient transport system and causing it to deteriorate slowly. … understood, but it may be affected by the level of nitrogen in the tree 1 . Like many plant-eating insects, … have not yet established. No biological control organisms (i.e., predators or parasites of the beech scale insect) are …
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Livestock antibiotics and rising temperatures disrupt soil microbial communities
… microbial community composition and function, carbon and nitrogen cycling, and interactions among microbes. They … would become trapped in the soil. Instead, more carbon dioxide is released into the atmosphere as a gas. This effect could turn an important carbon sink into a …
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What's new down on the farm
… world’s growing population is contributing to greenhouse gas emissions Photo by GetLostMike June 6, … of rice. Similarly the largest human emissions of nitrous oxide (N 2 O) are associated with the microbial processing of nitrogen fertilizers and manure applied to agricultural …
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Ammonia
… Nitrogen Recognizing … is primarily released back to the environment as ammonia gas. The urine of mammals contains urea, which is converted … Patni, 2001, Atmospheric nitrogen compounds II: Emissions, transport, transformation, deposition and assessment. …
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Ocean acidification
Ocean acidification The rising carbon dioxide content of Earth’s atmosphere will take an … certain oxidized gases, such as sulfur dioxide (SO2) and nitrogen dioxide (NO2), dissolve in water, they make it … dioxide into these drinks, which is emitted as bubbles of gas when we open one. Alkaline waters have a pH above …
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