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Global Agricultural Yields Could Decline 30% By 2050

United Nations Foundation Sep 2, 2020
This article is deemed a must-read by one or more of our expert collaborators.
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Climate Change Threatens Global Food Security Giving Compass
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Giving Compass’ Take:

• Ryan Hobert and Christine Negra unpack the ways in which climate change threatens food security and the agricultural practices that can be used to fight climate change. 

• What role can you play in addressing food security? Which communities are in most need of support? 

• This article is part of our Climate Justice collection. Read more about climate justice, and learn what you can do to help.


Food security — the reliable access to safe, affordable, and nutritious food — is inextricably linked to a predictable climate and healthy ecosystems. Climate change and associated severe weather, droughts, fires, pests, and diseases are already threatening the production of food around the world. Unless we act decisively, these problems will worsen, the poorest and most vulnerable will suffer disproportionately, and instability will increase. Ahead of the UN Food Systems Summit in 2021, we look at a few solutions for creating more climate-resilient food systems and a healthier planet.

Glaring new evidence of climate change’s impact on humanity’s ability to produce plentiful and nutritious food has emerged on multiple continents this summer. Swarms of locusts — provoked by unusually heavy rains — are destroying crops across large swaths of East Africa and Southwest Asia, disrupting food supplies. As flooding strains Chinese agriculture, the government is pursuing food security by clamping down on food waste. Heat and blazing fires across the Western U.S. are threatening crops and livestock, and a derecho storm devastated millions of acres of corn and soybean production in the Midwest. Blistering heat and severe drought across France have wreaked havoc on agricultural production and prompted farmers to call on the government for help.

Climate change is the common thread, either triggering or worsening these horrifying conditions and leading to devastating impacts on food availability, livelihoods, and human health. As the world experiences increasingly severe climate impacts on agricultural production, many of our food systems are being pushed to the breaking point. In short, climate change is putting food production at risk.

Yield growth for wheat, maize, and other crops has been declining in many countries due to extreme heat, severe weather, and droughts. By some estimates, in the absence of effective adaptation, global yields could decline by up to 30 percent by 2050. Countries that are already grappling with conflict, pollution, deforestation, and other challenges are likely to suffer the brunt of these impacts. The 2 billion people already without access to sufficient food, including smallholder farmers and other people living in poverty, will be hit hardest.

In addition to being affected by the impacts of climate change, agriculture is a major contributor — and a potential solution — to climate change.

The good news is that a number of sustainable practices offer significant climate mitigation opportunities, some of which will also help farmers build resilience against future environmental and economic shocks:

  • Reducing food loss and waste
  • Agroforestry
  • Better soil management
  • Restoring degraded farmland

This article is part of our Climate Justice collection. Learn more about climate justice, or read the full article about food security by Ryan Hobert and Christine Negra at United Nations Foundation.

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Coronavirus is a complex topic, and others found these selections from the Impact Giving archive from Giving Compass to be good resources.

  • This article is deemed a must-read by one or more of our expert collaborators.
    Click here for more.
    Transitioning from COVID-19 Relief to Long-term Resilience

    Civil society responses to COVID-19 in South Africa have shown remarkable agility, scope, and impact in the last nine months, especially in responding to the most-pressing problem in many vulnerable communities: hunger. These have included efforts by established nonprofits, as well as diverse mutual-aid groups like the community action networks (CANs) that spontaneously emerged in suburbs of Cape Town and then spread to other parts of the country. The individual CANs collaborate and support each other within a larger network called Cape Town Together. Interactions include “pairing” partnerships, in which a CAN in an affluent suburb collaborates with a CAN in a poor community, not to facilitate charity, but rather to foster solidarity across historically divided and profoundly unequal suburb communities. The impact has been significant and vital, with estimates suggesting that NGOs and mutual-aid groups provided more than half of all hunger relief during South Africa’s winter months. However, these civil society efforts are now facing new challenges. Hunger is not diminishing in poor communities, despite an erstwhile end to lockdown and an increase in social grants. Meanwhile, these groups are contending with shrinking resources, as donations dry up and many volunteers go back to their normal routines or try to. In that context, it’s impressive how many of these initiatives are showing significant resilience and continuing to provide much-needed food relief. It’s also significant that many are simultaneously reinventing themselves to foster longer-term, positive change. In so doing, they are offering inspiring examples of social innovation born from crisis, resisting the all-too-common return to pre-crisis “normal.” These efforts deserve support, and will no doubt shape how we engage in and think about social innovation in years to come. Read the full article about transitioning to long-term resilience after COVID-19 at Stanford Social Innovation Review.


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