Today: 21.Feb.2019
John Shanahan

John Shanahan

M. A. Kominz. Sea level changes have occurred throughout Earth history. The magnitudes and timing of sea level changes are extremely variable. They provide considerable insight into the tectonic and climatic history of the Earth, but remain difficult to determine with accuracy. Predicting future sea level changes is even more complicated.

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Nancy Trautmann, Keith Porter, Robert Wagenet - Cornell University. Agriculture has been a major component of the United States economy since colonial days, when 9 out of 10 working persons were employed on a farm. Produclivity of American agriculture has tripled since then, and today only 3 percent of our labor force produces enough food and fiber to meet domestic needs as well as supplying about 10 percent of total overseas consumption. This increase has been the result of including use of fertilizer, and pesticides, introduction of farm machinery, development of hybrid strains, and increased knowledge about farm management practices.

Anthony Watts, website: wattsupwiththat.com. He takes National Geographic to task for using scare tactics suggesting that ocean levels will rise to a height midway up the Statue of Liberty. How long do you think it will take for oceans to rise that high, given current rates or rates several times faster? Can man-kind cause this to happen?

Martin Mangino.The purpose of this paper is to demonstrate that climate change or global warming is not causally related to anthropogenic emissions of carbon dioxide (CO2) and, therefore, mitigation of such emissions, as a matter of public policy, is pointless.