Download presentation
Presentation is loading. Please wait.
Published byIrene Cunningham Modified over 9 years ago
1
December 7 th Hand in homework #8 and CCA Paper Handout and discuss final exam Wednesday the 17 th 8-10AM Finish Lecture 11 Lecture 12 No homework
2
Lecture 13 Population, Consumption, and the Environment
3
How many planets would it take to support your level consumption? What categories did you consume the most? How can you change this? How do you compare to people similar to you? Different than you?
4
Adding More People to the Planet The world have 6.4 billion inhabitants today Only 1.5 billion people a century ago Expected to add 3 billion more in the next 50 years The total number of people on the planet is growing at a lightning pace and is expected to reach nine billion by 2050 Highest population growth is in Asia and Africa Lowest in North America and Europe
5
Growth Rates
6
Population Density
7
World Hunger Today
8
Food in an Unequal World India (212 mill) and China (150 mill) have the highest # of undernourished people US: 38 million suffer from hunger, up 43% in the last five years Consistent World Hunger and Food Insecurity Inequitable ownership of resources Destruction of traditional food production Environmental decline Import/Export Imbalance
9
Hungry in Chad
10
Hungry in Guatemala
11
Hungry in the USA
12
Western Diet American diet is characterized by: Animal products Processed foods Eating out Americans get 60% of their energy from two nutrients Fat: oil from soybeans Sugar: high fructose corn syrup
13
Effects of the Western Diet Inequality in distribution of resources around the world 36 % percent of the world's grain goes to feed livestock 1 calorie of meat takes 11-17 calories of grain 8 oz of beef take 660 gallons of water 70% of antibiotics 33% more fossil fuel Polarization of Nutritional Health Diseases of over-consumption Diseases of under-consumption **Now more over-weight than under-weight**
14
Affects on the Environment? We share the Earth's natural resources with nearly 1 billion pigs, 1.3 billion cows, 1.8 billion sheep and goats, and 13.5 billion chickens In the United States, where the waste generated by livestock is 130 times that produced by humans World's livestock herds account for roughly 25 percent of anthropogenic greenhouse gases - more than driving our cars
15
Growing Consumption Inequality in global consumption In industrialized countries increase 2.3% annually East Asia – 6.1% African’s consume 20% less today than 25 years ago Growing demands on the environment with the growing population of new consumers Increase desire for consumer goods of Western lifestyle and “consumer culture”
16
Effect on the Land
17
Water Resources
18
Loss of Forests
19
Carbon Emissions
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.