Climate Change Threatens Global Food Security, Rutgers Study Finds

Strategic Insights -

A recent study by Rutgers University has highlighted the devastating effects of climate change on global food security. The research revealed that the Earth has warmed by 0.85°C compared to the previous century, leading to rapidly changing atmospheric conditions and increased greenhouse gas emissions. The increased emissions, primarily from cement manufacturing, deforestation, and fossil fuel burning, are exacerbating climate change and threatening agriculture and global food security. The study's lead author, Ramandeep Kumar Sharma, emphasized the urgent need for climate action, stating that lowering carbon emissions is crucial to mitigate the impact of climate change on crop productivity and farm profitability.

Key Takeaways:

  • The Earth has warmed by 0.85°C compared to the previous century, with atmospheric conditions changing rapidly.
  • Climate change is inducing biotic and abiotic stress, altering plants' microclimates, and influencing plant physiological and morphological processes.
  • Increased greenhouse gas emissions, primarily from cement manufacturing, deforestation, and fossil fuel burning, are the primary reason for climatic shifts.
  • The social cost of carbon emissions is increasing at 2% per year, with a total cost of $29 per ton.
  • Climate change is impacting crop productivity, farm profitability, and local communities.
  • The study recommends mitigation strategies, including sustainable land management, soil water retention, and reduced greenhouse gas emissions.
  • Climate-smart agriculture and improved agricultural technologies can help enhance crop resilience and system efficiency.

Statistics:

  • The Earth has warmed by 0.85°C compared to the previous century.
  • The social cost of carbon emissions is increasing at 2% per year, with a total cost of $29 per ton.
  • The study estimates that climate change is impacting 1/3 of global crop productivity.
  • The agriculture sector accounts for approximately 30% of greenhouse gas emissions.

Sources:

  • Agricultural sustainability under unpredicted atmospheric changes-strategies to enhance crop resilience and system efficiency: a narrative review. Discover Agriculture, 2025,3(1):1-38.
  • https://doi-org.sdpl.idm.oclc.org/10.1007/s44279-025-00287-4