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Stephen Po-Chedley

Research Scientist, Lawrence Livermore National Laboratory

Expertise: Atmospheric temperature trends, Remote sensing, Climate feedbacks and sensitivity
Review Type
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Washington Examiner op-ed cherry-picks data and misleads readers about climate models

“This article focuses only on specific lines of evidence that climate models disagree with observations. In doing so, the authors ignore research that helps to reconcile differences between models and observations. The authors do not consider alternate datasets and time periods in which models and observations agree. Models are one tool for understanding climate change; their overall credibility does not hinge on one variable, in one domain, over a specific time period, with respect to a set of imperfect observations.”

New York Times' coverage of IPCC report clearly presents conclusions

This story in The New York Times covered the October release of the IPCC’s “Global Warming of 1.5 °C” report. Scientists who reviewed the story found that it provided an accurate and detailed summary of the report, though some statements about warming being “worse than previously thought” could have used some clarifying context.

Guardian story conveys statement by scientists stressing role of deforestation in climate change

“The article correctly links estimates of current carbon dioxide emissions from land use and land cover change with fairly conservative estimates for potential carbon sequestration embedded in “natural climate solutions” as part of the climate mitigation strategy to avoid 1.5°C warming.
Land-use and land-cover change is responsible for roughly 10-15% of total global carbon dioxide emissions. Forest management, reforestation, and afforestation where appropriate, is part of the climate mitigation portfolio assessed by Integrated Assessment Models used in the IPCC process.”

Daily Caller uncritically reports poorly supported conclusion of satellite temperature study

“The absence of accelerating warming trends is meant to go against prevailing climate science, but I find that to be a strawman argument. In that sense the article is misleading—however, to its credit, it does report on other published results that contradict this recent study, but it fails to provide further context or to make any effort to compare/reconcile the validity of these different studies.”