Max Callaghan
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View article: Behavioral, Information, and Monetary Interventions to Reduce Energy Consumption in Households: A Living Systematic Review and Network Meta‐Analysis
Behavioral, Information, and Monetary Interventions to Reduce Energy Consumption in Households: A Living Systematic Review and Network Meta‐Analysis Open
Policymakers have little time left to prevent the worst impacts of climate change and limit global warming to well below two degrees. However, a systematic assessment of the available scientific evidence—that is up to date—is not always av…
View article: Launching a new low-carbon, healthy journey
Launching a new low-carbon, healthy journey Open
View article: Scientific literature on carbon dioxide removal revealed as much larger through AI-enhanced systematic mapping
Scientific literature on carbon dioxide removal revealed as much larger through AI-enhanced systematic mapping Open
View article: Systematic global stocktake of over 50,000 urban climate change studies
Systematic global stocktake of over 50,000 urban climate change studies Open
Taking stock of climate change evidence is essential to helping cities address climate change. However, such efforts face challenges in appraising the growing scholarship in this fast-moving area. Here we use supervised and unsupervised ma…
View article: Author Correction: Recommendations for producing knowledge syntheses to inform climate change assessments
Author Correction: Recommendations for producing knowledge syntheses to inform climate change assessments Open
View article: The Rising Importance of Distributional Barriers to the Adoption of Climate Change Mitigation Policies
The Rising Importance of Distributional Barriers to the Adoption of Climate Change Mitigation Policies Open
The latest Assessment Report (AR6) by the Intergovernmental Panel on Climate Change (IPCC) and the Global Stocktake Report under the Paris Agreement emphasize the need for more ambitious climate policies to achieve global CO2 reduction tar…
View article: The evidence gap index: mapping evidence where it matters for climate change impacts
The evidence gap index: mapping evidence where it matters for climate change impacts Open
Climate change impacts are already evident and projected to worsen throughout the 21st century, even with mitigation efforts. Systematic mapping is key to organizing scientific evidence and identifying gaps, but current methods lack geogra…
View article: Machine learning map of climate policy literature reveals disparities between scientific attention, policy density, and emissions
Machine learning map of climate policy literature reveals disparities between scientific attention, policy density, and emissions Open
Current climate mitigation policies are not sufficient to meet the Paris temperature target, and ramping up efforts will require rapid learning from the scientific literature on climate policies. This literature is vast and widely disperse…
View article: Computer-assisted screening in systematic evidence synthesis requires robust and well-evaluated stopping criteria
Computer-assisted screening in systematic evidence synthesis requires robust and well-evaluated stopping criteria Open
View article: The 2024 China report of the Lancet Countdown on health and climate change: launching a new low-carbon, healthy journey
The 2024 China report of the Lancet Countdown on health and climate change: launching a new low-carbon, healthy journey Open
View article: The 2024 report of the Lancet Countdown on health and climate change: facing record-breaking threats from delayed action
The 2024 report of the Lancet Countdown on health and climate change: facing record-breaking threats from delayed action Open
View article: The 2024 Europe report of the Lancet Countdown on health and climate change: unprecedented warming demands unprecedented action
The 2024 Europe report of the Lancet Countdown on health and climate change: unprecedented warming demands unprecedented action Open
View article: A Global Systematic Map and Database of Climate Change Research on Cities – Insufficient Research Covers Fast-Growing Cities
A Global Systematic Map and Database of Climate Change Research on Cities – Insufficient Research Covers Fast-Growing Cities Open
The Intergovernmental Panel on Climate Change (IPCC) will prepare a special report (SR) during the 7th assessment report (AR7) cycle to summarise climate change evidence in cities. Here, we provide a systematic overview of topics in 55,000…
View article: Women are under-represented in adaptation policy research and are more likely to emphasise justice topics
Women are under-represented in adaptation policy research and are more likely to emphasise justice topics Open
This paper is the first to analyse the role of women authors in fostering justice-relevant topics in climate adaptation research. As representation, citation and payment patterns remain gender-biased across scientific disciplines, we explo…
View article: Using machine learning to map research on implemented city-level climate action on health and wellbeing
Using machine learning to map research on implemented city-level climate action on health and wellbeing Open
View article: How global crises compete for our attention: Insights from 13.5 million tweets on climate change during COVID-19
How global crises compete for our attention: Insights from 13.5 million tweets on climate change during COVID-19 Open
The COVID-19 pandemic disrupted peoples' daily lives and dominated the public discourse. It thus displaced people's attention to and concerns about climate change. We analyse 13.5 million tweets by 3.2 million distinct users on climate cha…
View article: PROTOCOL: Behavioral, information and monetary interventions to reduce energy consumption in households: A “living” systematic review
PROTOCOL: Behavioral, information and monetary interventions to reduce energy consumption in households: A “living” systematic review Open
This is the protocol for a Campbell systematic review. The objectives are as follows: Our proposed systematic review and meta‐analysis will integrate the evidence available from all sources to answer the following questions: (1) to what ex…
View article: Collaboration and term usage dynamics in agricultural buffer strip research: Research weaving
Collaboration and term usage dynamics in agricultural buffer strip research: Research weaving Open
Systematic maps are used to comprehensively gather and describe the literature on a topic, which is often defined by policy and practice relevance and stakeholder input, identifying trends and gaps in research. Bibliometric methods elucida…
View article: Systematic review and meta-analysis of ex-post evaluations on the effectiveness of carbon pricing
Systematic review and meta-analysis of ex-post evaluations on the effectiveness of carbon pricing Open
Today, more than 70 carbon pricing schemes have been implemented around the globe, but their contributions to emissions reductions remains a subject of heated debate in science and policy. Here we assess the effectiveness of carbon pricing…
View article: The 2024 Europe report of the Lancet Countdown on health and climate change: unprecedented warming demands unprecedented action
The 2024 Europe report of the Lancet Countdown on health and climate change: unprecedented warming demands unprecedented action Open
View article: NACSOS-nexus: NLP Assisted Classification, Synthesis and Online Screening with New and EXtended Usage Scenarios
NACSOS-nexus: NLP Assisted Classification, Synthesis and Online Screening with New and EXtended Usage Scenarios Open
NACSOS is a web-based platform for curating data used in systematic maps. It contains several (experimental) features that aid the evidence synthesis process from finding and ingesting primary data (mainly scientific publications), basic s…
View article: The 2023 Latin America report of the Lancet Countdown on health and climate change: the imperative for health-centred climate-resilient development
The 2023 Latin America report of the Lancet Countdown on health and climate change: the imperative for health-centred climate-resilient development Open
View article: Scientific literature on carbon dioxide removal much larger than previously suggested: insights from an AI-enhanced systematic map
Scientific literature on carbon dioxide removal much larger than previously suggested: insights from an AI-enhanced systematic map Open
Carbon dioxide removal (CDR) is a critical component of any strategy to limit global warming to well below 2°C and rapidly gaining attention in climate research and policymaking. Despite its importance, there have been few attempts to syst…
View article: Machine learning evidence map reveals global differences in adaptation action
Machine learning evidence map reveals global differences in adaptation action Open
View article: Mapping climate mitigation policy literature using machine learning: disparities between scientific attention, policy density, and emissions
Mapping climate mitigation policy literature using machine learning: disparities between scientific attention, policy density, and emissions Open
Current climate mitigation policies are not sufficient to meet the Paris temperature target, and ramping up efforts will require rapid learning from the scientific literature on climate policies. This literature is vast and widely disperse…
View article: The 2023 China report of the Lancet Countdown on health and climate change: taking stock for a thriving future
The 2023 China report of the Lancet Countdown on health and climate change: taking stock for a thriving future Open
With growing health risks from climate change and a trend of increasing carbon emissions from coal, it is time for China to take action. The rising frequency and severity of extreme weather events in China, such as record-high temperatures…
View article: The 2023 report of the Lancet Countdown on health and climate change: the imperative for a health-centred response in a world facing irreversible harms
The 2023 report of the Lancet Countdown on health and climate change: the imperative for a health-centred response in a world facing irreversible harms Open
View article: Attention, sentiments and emotions towards emerging climate technologies on Twitter
Attention, sentiments and emotions towards emerging climate technologies on Twitter Open
View article: Effectiveness of carbon pricing – A systematic review and meta-analysis of the ex-post literature
Effectiveness of carbon pricing – A systematic review and meta-analysis of the ex-post literature Open
Today, about 70 carbon pricing schemes have been implemented around the globe, but their contributions to emissions reductions remains a subject of heated debate in science and policy. We use a rigorous, machine-learning-assisted systemati…
View article: Attention to climate change only temporarily diverted by COVID-19
Attention to climate change only temporarily diverted by COVID-19 Open
The COVID-19 pandemic disrupted peoples’ daily lives and dominated the public discourse. It thus displaced people’s attention to and concerns about climate change. We analyze 13.5 million tweets on climate change posted before and after th…