Fertilizing Nature: A Tragedy of Excess in the Commons

Fertilizing Nature: A Tragedy of Excess in the Commons

Globally, we are applying excessive nitrogen (N) fertilizers to our agricultural crops, which ultimately causes nitrogen pollution to our ecosphere. The atmosphere is polluted by N₂O and NO(x) gases that directly and indirectly increase atmospheric warming and climate change. Nitrogen is also leached from agricultural lands as the water-soluble form NO₃⁻, which increases nutrient overload in ri...

the tragedy of modern man in arthur millers world

what miller wants is a theatre of heightened consciousness. he speaks of two passions in a man, the passion to "feel" and the passion "know". he belives that we can have more of the latter. he says: drama is akin to the other inventions of man in that it ought to help us know more and not merely to spend our feelings. the writing of the crucible shows us that he is trying to give more heightene...

The Ultimate Tragedy of Commons

A looming tragedy of the sand commons.

B etween 1900 and 2010, the global volume of natural resources used in buildings and transport infrastructure increased 23-fold (1). Sand and gravel are the largest portion of these primary material inputs (79% or 28.6 gigatons per year in 2010) and are the most extracted group of materials worldwide, exceeding fossil fuels and biomass (2). In most regions, sand is a common-pool resource, i.e.,...

Market Sentiment: A Tragedy of the Commons

A prominent idea in behavioral …nance is that individuals have some propensity to make correlated mistakes in their investment decisions. The leading critique of this idea is that investors who make systematic mistakes su¤er a utility cost and should be expected to alter their behavior. In this paper we present a noisy rational expectations model in which investors decide whether or to what deg...