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Climate Sisters

Diet or Over Population?

Meat Society: Number 20 in a series exploring issues related to curbing demand for animal products, an important climate change solution for individuals and nations alike, especially in Western states where meat and diary consumption dwarfs other regions.

Excerpt from Meat Climate Change: The 2nd Leading Cause of Global Warming by Moses Seenarine, (2016). Xpyr Press, 348 pages ISBN: 0692641157 http://amzn.to/2yn7XrC


Substantial modifications in population size, age structure, and urbanization are expected in many parts of the world this century. These variations can affect energy use and greenhouse gas (GHG) outflows. In particular, aging, urbanization and variations in household size can substantially influence GHG footprints in some regions. Aging will occur in most regions, due to declines in both fertility and mortality. 

Aging is expected to be particularly rapid in regions like China that have recently experienced sharp falls in fertility. On the positive side, slowing population growth could provide 16 to 29 percent of the GHG reductions suggested to be necessary by 2050 to avoid dangerous climate transformation.(490)

There is an inverse relationship between the two main drivers behind increased land requirements for food – as socioeconomic development improves, population growth declines. At the same time, diets become richer. Typically, consumption of animal protein, vegetable oil, fruit and vegetable swells, while starchy staples become less essential.

With higher purchasing power comes higher consumption and a greater demand for processed food, animal flesh, cow milk products, chicken eggs, and fish, all of which add pressure to the food supply system. This over-consumption severely affects global sustainability, equity, and food security.(491) 

During a span of 46 years, from 1961 to 2007, a review of data from the UN's Food and Agriculture Organization (FAO) showed that in most regions, diets became richer while available land for food diminished. In many regions, dietary change may override population growth as a major driver behind land requirements for food in the near future.(492)

Potential land savings through yield improvements are offset by a combination of population growth and dietary change. These dynamics were the largest in developing regions and emerging economies. Also, additions to the total per capita food supply is not occurring everywhere around the world. In some rich, developed regions, such as Northern Europe and Oceania, food supply levels remain constant.

In most developed regions, the share of animal products is extraordinary high. From 1961 to 2007, food animals constituted one-third of the available calories in the Global North, compared to 10 percent or less in many of the poorer regions in the global South. These dynamics are set to change. The FAO projects that world population will expand 34 to 41 percent by 2050 to reach 8.9 to 9.1 billion. Food demand will soar upwards by 70 percent, and daily per person calorie intake will rise to 3,130 calories.

Food is a major part of climate warming, but it is also essential for survival, security and equity. Although the consumption per capita of cereals is likely to stabilize, population growth will escalate the demand for both food animals (almost doubling) and cereals (50 percent) by 2050.(493)


Chapter 14: DIET OR POPULATION? page 134

Press News 012021

We published several articles in the fall of 2020, including:

"Repression of Anti-Racist Organic Intellectuals and Social Movements." Critical Mass Bulletin, Newsletter of the Section on Collective Behavior and Social Movements, American Sociological Association, Volume 45 (4) Special Issue Fall 2020

"Moses Seenarine - Scholar/Activist Profiles." Critical Mass Bulletin, Newsletter of the Section on Collective Behavior and Social Movements, American Sociological Association, Volume 45 (4) Special Issue Fall 2020

"Is Critical Race Theory Divisive? Politics and Curriculum in the Trump Era." Teaching/Learning Matters, American Sociological Association, Section on Teaching and Learning. Volume 51, Issue 4. Fall 2020

"Deconstructing ‘Race’ and ‘Whiteness’ in Critical Animal Studies." Mobilizing Ideas, Center for the Study of Social Movements, University of Notre Dame, Oct. 30 

2020 Climate Review

As the 2021 year begins, we review some important climate developments last year. First of all, 2020 tied 2016 for the hottest year on record globally. Second, 2020 continues a rapid heating trend as the last seven years have been the warmest in 150 years, and it concludes the warmest decade on record.  

Average global temperatures in 2020 were 1 degree Celsius (about 2 degrees Fahrenheit) warmer than in the 30-year average between 1951 and 1980. Since 1980, warming has averaged around 0.2 degree C (0.32 degrees F) per decade. NASA Global Climate Change's Vital Signs of the Planet report that CO2 level is now 415 ppm, the Arctic ice minimum loss is 13.1 percent per decade, the ice sheets are losing 428 billion metric tons per year, and sea level is raising at 3.3 millimeters per year. 

The changing climate is contributing to stronger hurricanes, larger and more destructive wildfires, and heavier rainfall that can cause flooding. Rising temperatures are also causing loss of sea ice and ice sheet mass, sea level rise, longer and more intense heat waves, and shifts in plant and animal habitats.

There were record fires in Australia and California, and severe drought in central South America and the American Southwest. Notably, 2020 was a La Nina year, with cooler temperatures in the vast Pacific Ocean. Yet, Typhoon Goni made landfall in the Philippines as the strongest tropical cyclone in history with sustained winds of 195 mph. 

Europe and Asia had their hottest years on record, while South America and the Caribbean had their second-hottest. Europe had its warmest year ever in 2020, with heat waves lasting into September. The world’s oceans had their third warmest year. The Arctic and Siberia were among the hottest regions, around 6 degrees C warmer than the mid-20th century average. In South American, warming and drought resulted in fires across the vast Pantanal wetland.  

According to NOAA, the US experienced $95 billion in climate disaster damages, with major disasters like the western wildfires, a record-breaking hurricane season and the mid-summer Midwest derecho that caused extensive damage. There were 22 weather and climate disasters in 2020 that cost over $1 billion in damages, surpassing the annual record of 16 billion-dollar disasters in 2017. The Atlantic Basin produced 30 named storms, with 13 of those becoming hurricanes. This topped 2005, which previously had the most storms in a season, 28. And, a record-breaking 12 named storms made a US landfall in 2020. Six of the US landfalls were from hurricanes - Hanna, Isaias, Laura, Sally, Delta and Zeta - far above the average of one to two hurricane landfalls per year.

Phoenix, AZ, saw 145 days of 100-degree heat, breaking the previous record of 143 days set in 1989. Miami, FL, saw daily record temperatures (record warm highs, record warm lows) broken or tied a combined 64 times in 2020. The temperature in Death Valley, CA, reached 54.4 degrees C, the hottest in 80 years. Meanwhile, the Siberian town of Verkhoyansk reported a summer temperature of 100.4 degrees F, the first time recorded temperatures above the Arctic Circle have surpassed 100 degrees F.

As the 2020 year ends, some of the changes scientists are exploring include the weird fact that nights are warming faster than days, and how climate change is harming children's diets. Global warming is faster than evolution, and is making baby sharks smaller, undernourished and exhausted. Also, researchers found that global warming has profoundly transformed Arctic in just 15 years, the urban heat-island effect is turning cities into ovens, and that the warming already baked in will blow pass climate goals.

Although the political climate improved in the US at the end of the year, there has been decades of climate denial and limited action. This polluting legacy means that the new administration's climate policies may fall well short of what is needed to slow down abrupt climate change in 2021 and beyond.

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