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Unsung hero of science: Assessment

Date:
February 20, 2017
Source:
Stanford's School of Earth, Energy & Environmental Sciences
Summary:
Assessment adds enormous value to the scientific landscape, creating foundations for government and society.
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Katharine Mach, who served as co-director of science on the Intergovernmental Panel on Climate Change (IPCC), will present her most recent findings on the trials and triumphs of achieving a consensus on climate science.

"There's been a huge amount of attention to the IPCC being a politicized process," said Mach, a senior research scientist at Stanford's School of Earth, Energy & Environmental Sciences. "We see the final product of assessment in our understanding of the climate challenge, but it's pretty rare that we lift up the hood and say, 'How does this process happen?' and 'How could it happen better?'"

Mach's position with the IPCC gave her "immersive exposure to the entirety of that process," she said. Mach will discuss her experience and her current research on Sunday, Feb. 19 at 1 p.m. ET, at the annual meeting of the American Association for the Advancement of Science (AAAS) in Boston. She will speak at a symposium titled, "Global Environmental Assessments and the Bridge to Environmental Policy," at the Hynes Convention Center, Room 202.

Assessment analysis confronts complex issues, ranging from government regulations and corruption to the ethics of publicity, including how to inform media of something like the global warming slowdown, which may not have actually happened. Assessment practitioners must grapple with the ethical dimensions of making sure important assumptions are transparent, especially when one generation is "kicking the can of the climate challenge on to the next," she said.

As a member of the IPCC's Working Group II from 2010 to 2015, Mach and her team worked to ensure reports on current climate science incorporated accurate and ambitious assessment, where information is evaluated from diverse sources. The team also created summaries of the reports for policymakers that required line-by-line approval from hundreds of stakeholders in science and government.

"Being in an IPCC staff leadership position, you have the most in-depth, intimate view of how every aspect of that process happens," Mach said. "I really got to see all aspects of the government interactions, the intra-institutional decision-making, as well as being the one to create these summary products that had to represent the entire report."

Mach worked with Chris Field, a co-chair of the IPCC's Working Group II and Director of the Stanford Woods Institute for the Environment. Their work resulted in the IPCC's Fifth Assessment Report and Special Report on Managing the Risks of Extreme Events and Disasters to Advance Climate Change Adaptation. The reports have supported diverse climate policies and actions, including the Paris Agreement.

Navigating the assessment process can be unfamiliar territory for many scientists, requiring a different set of skills than they typically use -- like tact and negotiation -- according to Mach. Her research aims to find opportunities to improve inefficiencies in this practice, which can be exhaustive to the hundreds of contributors involved.

"For scientists hoping for a straightforward summary of physics and math, that can be a really uncomfortable reality -- it's not as if you just put experts around a table and rationality happens," Mach said. "It is actually a social process of interactions, and that can go really well or it can go poorly, and it gets a whole lot more complicated when it's experts interacting with a sea of government delegates."

Mach, who also leads the Stanford Environment Assessment Facility (SEAF) at the Stanford Woods Institute for the Environment -- an initiative to use the university context to innovate and evaluate approaches to assessment so they may be applied to issues such as climate change, conflict, adaptation and infrastructure -- will offer her insider perspective of how different audiences impact revisions, depending on whether it includes scientists or the addition of decision makers. The interaction between experts and decision makers creates complex science policy territory, but it adds more ownership and traction in the process, she said.

"Assessment has had these phenomenal successes, and that ranges from framing the understanding of climate change to creating foundations that enable people to step forward and try out climate solutions," Mach said. "At the same time, assessment is really hard intellectually and socially, and we have some impressive experiences to learn from."

Mach's current research focuses on complicated adaptation strategies that require tradeoffs, such as managed retreat, a coastal management strategy in which people are moved away from encroaching shorelines. In climate change mitigation with interactions, assessment leaders must consider the public perception of theories such as land-based strategies to compensate for industrial emissions, which may not meet expectations if they are described out of context.

"In this exciting question of what's next for climate, assessment has a huge amount to contribute, ranging from revealing risks and options through to pinpointing the ways that it's a challenge of values, and whose values count and how much," Mach said. "The beauty of assessment from the scientific perspective is that it really drives knowledge creation by bringing people together."


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Materials provided by Stanford's School of Earth, Energy & Environmental Sciences. Note: Content may be edited for style and length.


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Stanford's School of Earth, Energy & Environmental Sciences. "Unsung hero of science: Assessment." ScienceDaily. ScienceDaily, 20 February 2017. <www.sciencedaily.com/releases/2017/02/170220084205.htm>.
Stanford's School of Earth, Energy & Environmental Sciences. (2017, February 20). Unsung hero of science: Assessment. ScienceDaily. Retrieved May 28, 2017 from www.sciencedaily.com/releases/2017/02/170220084205.htm
Stanford's School of Earth, Energy & Environmental Sciences. "Unsung hero of science: Assessment." ScienceDaily. www.sciencedaily.com/releases/2017/02/170220084205.htm (accessed May 28, 2017).

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