Analysis of Global Change Assessments: Lessons Learned by National Research Council, Division on Earth and Life

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By National Research Council, Division on Earth and Life Studies, Board on Atmospheric Sciences and Climate, Committee on Analysis of Global Change Assessments

International switch checks tell selection makers concerning the clinical underpinnings of a number environmental concerns, equivalent to weather swap, stratospheric ozone depletion, and lack of biodiversity. Dozens of exams were carried out thus far via quite a few U.S. and foreign teams, a lot of them influencing public rules, expertise improvement, and examine instructions. This file analyzes strengths and weaknesses of 8 earlier checks to notify destiny efforts. universal parts of powerful tests contain powerful management, broad engagement with and affected events, a clear science-policy interface, and good outlined communique suggestions. The record identifies eleven crucial parts of potent checks and recommends that destiny exams contain determination help instruments that utilize details on the local and native point the place judgements are made.

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The stages that follow are goal and strategy formulation, implementation, and evaluation of actions and measures (see Social Learning Group 2001b). Copyright © National Academy of Sciences. All rights reserved. html DIVERSITY OF ASSESSMENTS AND THEIR POTENTIAL CONTRIBUTIONS 31 short-lived as other more pressing issues replace it. In addition, when the issue is being considered in the decision-making process, the ability to make progress becomes a question of (1) the level of disagreement over actions or decisions to be taken and (2) if there is disagreement, the source of such.

Assessments have the potential to provide authoritative resolutions of policy-relevant scientific questions. Sometimes particular scientific questions come to be widely perceived as important, perhaps even decisive, for policy decisions. ), the significance of the human contribution to a naturally occurring change, or discrepancies in data records or observational techniques. If the policy debate on an issue is characterized by controversy or deadlock because conflicting claims are being made about key scientific questions, an assessment can inform and advance the policy debate by authoritatively resolving these questions.

In 1957, Roger Revelle, Scripps Institute of Oceanography, and Hans Suess, University of Chicago, suggested that the burning of fossil fuels would lead to significant increases in atmospheric carbon dioxide (CO2) concentrations and that humans were engaged in a “large-scale geophysical experiment” with longterm consequences (Revelle and Suess 1957). Charles David Keeling, Scripps Institute of Oceanography, began taking regular measurement of CO2 that same year at the Mauna Loa Observatory as part of the International Geophysical Year in 1957-1958.

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