Consuming planet Earth

One Billion Hungry: Can We Feed the World?

ID-10010628 (2)Since we first saw images of planet Earth from space in 1968, GDP per capita has almost doubled and mean life expectancy has risen from 56 to 69.6 years. These increases in income and health have been coupled with the depletion of natural capital, increased greenhouse gas emissions and increasing hunger and poverty.

As the book,The Limits to Growth, warned in 1972, the earth’s natural capital is limited and at some point we will reach these limits. Rising prices of goods and services as well as break downs in ecosystem services will indicate this threshold has been breached.  And we have passed this checkpoint. Global metrics that measure human impact on earth’s natural resources such as the Human Development Index, Genuine Progress Indicator, Ecological Footprints, and the Happy Planet Index, all indicate that the earth has exceeded its ability to provide resources to meet…

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