» Climate and Meteorology

Linking adaptation science to action to build food secure Pacific Island communities

Climate change is a major threat to food security in Pacific Island countries, with declines in food production and increasing variability in food supplies already evident across the region. Such impacts have already led to observed consequences for human health, safety and economic prosperity. Enhancing the adaptive capacity of Pacific Island communities is one way to reduce vulnerability and is underpinned by the extent to which people can access, understand and use new knowledge to inform their decision-making processes. However, effective engagement of Pacific Island communities in climate adaption remains variable and is an ongoing and significant challenge. Here, we use a qualitative research approach to identify the impediments to engaging Pacific Island communities in the adaptations needed to safeguard food security. The main barriers include cultural differences between western science and cultural knowledge, a lack of trust among local communities and external scientists, inappropriate governance structures, and a lack of political and technical support. We identify the importance of adaptation science, local social networks, key actors (i.e., influential and trusted individuals), and relevant forms of knowledge exchange as being critical to overcoming these barriers. We also identify the importance of co-ordination with existing on-ground activities to effectively leverage, as opposed to duplicating, capacity. Read More

Past and future climate change in the context of memorable seasonal extremes

It is thought that direct personal experience of extreme weather events could result in greater public engagement and policy response to climate change. Based on this premise, we present a set of future climate scenarios for Ireland communicated in the context of recent, observed extremes. Specifically, we examine the changing likelihood of extreme seasonal conditions in the long-term observational record, and explore how frequently such extremes might occur in a changed Irish climate according to the latest model projections. Over the period (1900–2014) records suggest a greater than 50-fold increase in the likelihood of the warmest recorded summer (1995), whilst the likelihood of the wettest winter (1994/95) and driest summer (1995) has respectively doubled since 1850. The most severe end-of-century climate model projections suggest that summers as cool as 1995 may only occur once every ∼7 years, whilst winters as wet as 1994/95 and summers as dry as 1995 may increase by factors of ∼8 and ∼10 respectively. Contrary to previous research, we find no evidence for increased wintertime storminess as the Irish climate warms, but caution that this conclusion may be an artefact of the metric employed. It is hoped that framing future climate scenarios in the context of extremes from living memory will help communicate the scale of the challenge climate change presents, and in so doing bridge the gap between climate scientists and wider society. Read More

Scenario planning to leap-frog the Sustainable Development Goals: An adaptation pathways approach

Few studies have examined how to mainstream future climate change uncertainty into decision-making for poverty alleviation in developing countries. With potentially drastic climate change emerging later this century, there is an imperative to develop planning tools which can enable vulnerable rural communities to proactively build adaptive capacity and ‘leap-frog’ the Sustainable Development Goals (SDGs). Using an example from Indonesia, we present a novel participatory approach to achieve this. We applied scenario planning to operationalise four adaptation pathways principles: (1) consideration of climate change as a component of multi-scale social-ecological systems; (2) recognition of stakeholders’ competing values, goals and knowledge through co-learning; (3) coordination of responses across multiple decision-making levels; and (4) identification of strategies which are ‘no regrets’, incremental (tackling proximate drivers of community vulnerability) and transformative (tackling systemic drivers). Workshops with stakeholders from different administrative levels identified drivers of change, an aspirational vision and explorative scenarios for livelihoods in 2090, and utilised normative back-casting to design no regrets adaptation strategies needed to achieve the vision. The resulting ‘tapestry’ of strategies were predominantly incremental, and targeted conventional development needs. Few directly addressed current or possible future climate change impacts. A minority was transformative, and higher level stakeholders identified proportionately more transformative strategies than local level stakeholders. Whilst the vast majority of strategies were no regrets, some were potentially mal-adaptive, particularly for coastal areas and infrastructure. There were few examples of transformative innovations that could generate a step-change in linked human and environmental outcomes, hence leap-frogging the SDGs. We conclude that whilst effective at integrating future uncertainties into community development planning, our approach should place greater emphasis on analysing and addressing systemic drivers through extended learning cycles. Read More

Yale Climate Connections Audio

Yale Climate Connections is a nonpartisan, multimedia service providing daily broadcast radio programming and original web-based reporting, commentary, and analysis on the issue of climate change, one of the greatest challenges and stories confronting modern society. Yale Climate Connections aims to help citizens and institutions understand how the changing climate is already affecting our lives. It seeks to help individuals, corporations, media, non-governmental organizations, government agencies, academics, artists, and more learn from each other about constructive “solutions” so many are undertaking to reduce climate-related risks and wasteful energy practices. Through articles, radio stories, videos, and webinars we “connect the dots” between climate change and energy, extreme weather, public health, food and water, jobs and the economy, national security, the creative arts, and religious and moral values, among other themes. Read More

NASA New Horizons

The New Horizons mission is helping us understand worlds at the edge of our solar system by making the first reconnaissance of the dwarf planet Pluto and by venturing deeper into the distant, mysterious Kuiper Belt – a relic of solar system formation. The Journey New Horizons launched on Jan. 19, 2006; it swung past Jupiter for a gravity boost and scientific studies in February 2007, and conducted a six-month-long reconnaissance flyby study of Pluto and its moons in summer 2015, culminating with Pluto closest approach on July 14, 2015. As part of an extended mission, pending NASA approval, the spacecraft is expected to head farther into the Kuiper Belt to examine another of the ancient, icy mini-worlds in that vast region, at least a billion miles beyond Neptune’s orbit. Sending a spacecraft on this long journey is helping us to answer basic questions about the surface properties, geology, interior makeup and atmospheres on these bodies. New Science The National Academy of Sciences has ranked the exploration of the Kuiper Belt – including Pluto – of the highest priority for solar system exploration. Generally, New Horizons seeks to understand where Pluto and its moons “fit in” with the other objects in the solar system, such as the inner rocky planets (Earth, Mars, Venus and Mercury) and the outer gas giants (Jupiter, Saturn, Uranus and Neptune). Pluto and its largest moon, Charon, belong to a third category known as “ice dwarfs.” They have solid surfaces but, unlike the terrestrial planets, a significant portion of their mass is icy material. Using Hubble Space Telescope images, New Horizons team members have discovered four previously unknown moons of Pluto: Nix, Hydra, Styx and Kerberos. A close-up look at these worlds from a spacecraft promises to tell an incredible story about the origins and outskirts of our solar system. New Horizons is exploring – for the first time – how ice dwarf planets like Pluto and Kuiper Belt bodies have evolved over time. Read More

Recent improvement and projected worsening of weather in the United States

As climate change unfolds, weather systems in the United States have been shifting in patterns that vary across regions and seasons. Climate science research typically assesses these changes by examining individual weather indicators, such as temperature or precipitation, in isolation, and averaging their values across the spatial surface. As a result, little is known about population exposure to changes in weather and how people experience and evaluate these changes considered together. Here we show that in the United States from 1974 to 2013, the weather conditions experienced by the vast majority of the population improved. Using previous research on how weather affects local population growth to develop an index of people’s weather preferences, we find that 80% of Americans live in counties that are experiencing more pleasant weather than they did four decades ago. Virtually all Americans are now experiencing the much milder winters that they typically prefer, and these mild winters have not been offset by markedly more uncomfortable summers or other negative changes. Climate change models predict that this trend is temporary, however, because US summers will eventually warm more than winters. Under a scenario in which greenhouse gas emissions proceed at an unabated rate (Representative Concentration Pathway 8.5), we estimate that 88% of the US public will experience weather at the end of the century that is less preferable than weather in the recent past. Our results have implications for the public’s understanding of the climate change problem, which is shaped in part by experiences with local weather. Whereas weather patterns in recent decades have served as a poor source of motivation for Americans to demand a policy response to climate change, public concern may rise once people’s everyday experiences of climate change effects start to become less pleasant. Read More

Leading the Public into Emergency Mode: A New Strategy for the Climate Movement

The climate crisis is an unprecedented emergency. It is, far and away, the United States’ top national security threat, public health threat, and moral emergency. Humanity is careening towards the deaths of billions of people, millions of species, and the collapse of organized civilization. States under severe climate stress, such as Syria, are already starting to fail, bringing chaos, violence, and misery to the region and political instability to Europe. America’s political system is also starting to convulse as the two-party system is showing signs of fragility. How we react to the climate crisis will shape centuries and millennia to come. Given the stakes, and the extremely short timetable, it is imperative that we strive to maximize the efficacy of our actions — from ourselves as individuals, from our nation, from the global community of nations, and from the organizations that are trying to avert this catastrophe. In this paper, I will introduce the concept of “emergency mode” which is how individuals and groups function optimally during an existential or moral crisis — often achieving great feats through intensely focused motivation. I will argue that the goal of the climate movement must be to lead the public out of “normal” mode and into emergency mode. This has huge implications for the climate movement’s communication style, advocacy, and strategy. Because emergency mode is contagious, the best strategy is for climate activists and organizations to go into emergency mode themselves, and communicate about the climate emergency, the need for emergency mobilization, and the fact that they are in emergency mode, as clearly and emphatically as possible. Read More


We live in a rapidly changing world. The effects of climate change— such as heat waves, rising sea levels and more severe storms— are already being felt across the United States. Our energy infrastructure is especially vulnerable to climate-related impacts, which can pose a serious threat to America’s national security, energy security, economic well-being, and quality of life. This interactive map illustrates how climate change has the potential to disrupt our nation’s energy systems. Click on the shaded regions below for a breakdown of the key climate vulnerabilities in each part of the country. Read More

ScienceFriday Climate Science Class Integration - Webinar

Online web panel that discussed challenges and approaches to teaching climate change science in the classroom. Led by passionate educators who are committed to best practices in climate education, this discussion highlighted innovative strategies for bringing climate data into the classroom, ideas for integrating climate science into existing curricula, and best-in-class resources for teaching climate change. Panelists shared upcoming opportunities for educators to participate in field-based climate research around the world. Read More

ICE Climate Expeditions

Inquiry-focused classroom activities developed by the Ice Drilling Program Office. Read More


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