The Global Commons Institute was founded in the United Kingdom in 1990 by Aubrey Meyer

Aubrey Meyer

Aubrey Meyer is an author, climate campaigner and composer. he is also a former member of the Green PartyHe co-founded the Global Commons Institute in 1990....

 and others to campaign for a fair way to tackle climate change.

It has in particular promoted the model of Contraction and Convergence

Contraction and Convergence

Contraction and Convergence is a proposed global framework for reducing greenhouse gas emissions to combat climate change. Conceived by the Global Commons Institute [GCI] in the early 1990s, the Contraction and Convergence strategy consists of reducing overall emissions of greenhouse gases to a...

 of emissions as a means to tackle climate change

Climate change

Climate change is a significant and lasting change in the statistical distribution of weather patterns over periods ranging from decades to millions of years. It may be a change in average weather conditions or the distribution of events around that average...

. Many of the founders and signatories to the first statement in favour of contraction and convergence were members of the Green Party

Green Party of England and Wales

The Green Party of England and Wales is a political party in England and Wales which follows the traditions of Green politics and maintains a strong commitment to social progressivism. It is the largest Green party in the United Kingdom, containing within it various regional divisions including...

.