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Many consequences of climate change undermine the stability of global food systems, decreasing food security and diet quality, and exposing vulnerable populations to multiple forms of malnutrition. The emergence of pandemics such as Covid-19 exacerbate the situation and make interactions even more complex. Climate change impacts food systems at different levels, including changes in soil fertility and crop yield, composition, and bioavailability of nutrients in foods, pest resistance, and risk of malnutrition. Sustainable and resilient food systems, coupled with climate-smart agriculture, are needed to ensure sustainable diets that are adequately diverse, nutritious, and better aligned with contextual ecosystem functions and environmental conservation. Robust tools and indicators are urgently needed to measure the reciprocal food systems-climate change interaction, that is further complicated by pandemics, and how it impacts human health.

AbstractDietary health and sustainability are inextricably linked. Food systems that are not sustainable often fail to provide the amount or types of food needed to ensure population health. The ongoing pandemic threatens to exacerbate malnutrition, and noncommunicable diseases (NCDs). This paper discusses threats and opportunities for food environments and health status across the WHO European Region in the current context . These opportunities and threats are focused around four key areas: NCDs and health systems; dietary behaviour; food insecurity and vulnerable groups; and food supply mechanisms. Food systems were already under great stress. Now with the pandemic, the challenges to food systems in the WHO European Region have been exacerbated, demanding from all levels of government swift adaptations to manage healthiness, availability, accessibility and affordability of food. Cities and governments in the Region should capitalize on this unique opportunity to ‘build back better’ and make bold and lasting changes to the food system and consequently to the health and wellbeing of people and sustainability of the planet.

Abstract Southern Madagascar recently experienced a severe food security crisis, made significantly worse by well below average rainfall from July 2019 to June 2021. This exceptional drought has affected a region with high pre-existing levels of vulnerability to food insecurity (subsistence agriculture and pastoralism in the region is rain-fed only), while impacts have been compounded further by COVID-19 restrictions and pest infestations. The rainy seasons of both 2019/20 and 2020/21 saw just 60% of normal rainfall across the Grand South region and was estimated as a 1-in-135 year dry event, only surpassed in severity by the devastating drought of 1990–92. Based on a combination of observations and climate modelling, the likelihood of experiencing such poor rains in the region was not significantly increased due to human-caused climate change: while the observations and models combine to indicate a small shift toward more droughts like the 2019–2021 event as a consequence of climate change, these trends remain overwhelmed by natural variability. This result is consistent with previous research, with the Intergovernmental Panel on Climate Change (IPCC)’s Sixth Assessment Report concluding that any perceptible changes in drought will only emerge in this region if global mean temperatures exceed 2 °C above pre-industrial levels.

Within a few weeks the world has changed, at the time this text is written (May 2020) more than 3.5 million people have been confirmed cases of COVID-19 and estimations propose up to a hundred times the number of actually infected. A third of the global population is on lockdown and a large part of our global economic activity has stopped. Food and access to food has played a visual role in portraying the impact of the outbreak on our society, with images of empty supermarket shelves appearing in mainstream media. In some countries closed schools resulted in many children not having access to free meals and mobilised a number of charities. While parts of the world are now exiting lockdown and measures start relaxing the near future remains uncertain with more waves of the pandemic expected. Given that there is currently no evidence to show that transmission of COVID-19 could occur through food or food packaging there has been limited discussion on the issue, implications and potential future scenarios within the wider food science community. peer-reviewed

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and associated COVID-19 have caused a global emergency that requires an engaged, integrated, interdisciplinary, and rapid response from the scientific community. Climate change, ecological change, and biodiversity loss might have played an important role in the occurrence of this zoonotic pandemic. Climatic and environmental factors, such as temperature, humidity, and air pollution, are potentially influencing the transmission, spread, and severity of SARS-CoV-2 infection. Strong scientific evidence about the contributions of these environmental determinants in the COVID-19 pandemic is needed, in combination with an understanding of the role of other important societal factors and public health interventions. This evidence will support the public health community in responding to the current crisis, and inform strategies to prevent the recurring effects of the COVID-19 pandemic and future emergencies. Peer reviewed

The Lancet Countdown is an international collaboration that independently monitors the health consequences of a changing climate. Publishing updated, new, and improved indicators each year, the Lancet Countdown represents the consensus of leading researchers from 43 academic institutions and UN agencies. The 44 indicators of this report expose an unabated rise in the health impacts of climate change and the current health consequences of the delayed and inconsistent response of countries around the globe—providing a clear imperative for accelerated action that puts the health of people and planet above all else.\ud \ud The 2021 report coincides with the UN Framework Convention on Climate Change 26th Conference of the Parties (COP26), at which countries are facing pressure to realise the ambition of the Paris Agreement to keep the global average temperature rise to 1·5°C and to mobilise the financial resources required for all countries to have an effective climate response. These negotiations unfold in the context of the COVID-19 pandemic—a global health crisis that has claimed millions of lives, affected livelihoods and communities around the globe, and exposed deep fissures and inequities in the world's capacity to cope with, and respond to, health emergencies. Yet, in its response to both crises, the world is faced with an unprecedented opportunity to ensure a healthy future for all.

As the number of people displaced by disaster reaches record highs, this article describes how international law is relevant to disaster displacement, how refugee law is probably not the answer, and synthesises recent developments into contemporary application. New interpretations of international human rights law have advanced legal protections such that planning and preparedness to address future disasters now form an express component of states’ international legal obligations. At the same time, climate change is increasing the frequency and intensity of extreme weather events, exacerbating factors that cause disaster and displacement and rendering the effective implementation of international law more difficult. The further ‘othering’ of migrants during the Covid-19 pandemic could stymie the realisation of protections as national governments close borders, anti-immigration sentiment is stoked, and economies decline.