Ecosharing is an environmental ethic for people to live by: that their own impact on the Earth’s biosphere

Biosphere

The biosphere is the global sum of all ecosystems. It can also be called the zone of life on Earth, a closed and self-regulating system...

 be limited to no more than their own fair ecoshare. The term seems to have been first used by G. Tyler Miller, Jr. in the 1975 edition of his Living in the Environment text¹. The 1990 book² Coming of Age in the Global Village sought to quantify an "ecoshare" by linking it to average world per capita income and energy use. A more modern approach might extend this by also including one's carbon footprint

Carbon footprint

A carbon footprint has historically been defined as "the total set of greenhouse gas emissions caused by an organization, event, product or person.". However, calculating a carbon footprint which conforms to this definition is often impracticable due to the large amount of data required, which is...

. However it is gauged, an ecoshare is determined by overall assessment of the human impact on the biosphere, computer models of its future condition, and necessary limits imposed by sustainability

Sustainability

Sustainability is the capacity to endure. For humans, sustainability is the long-term maintenance of well being, which has environmental, economic, and social dimensions, and encompasses the concept of union, an interdependent relationship and mutual responsible position with all living and non...

criteria.

External links

• "Sustainability / Enoughness" from Project Worldview