What equals effective

Global warming is the biggest and most difficult economic and political issue the world has ever needed to confront. First, co₂ emissions are directly linked to economic growth, growth as we know is on the line here. We will have to change our ways. There will be costs but they will be a fraction of what we will need to spend in the future.

Secondly, the issue is about sharing that growth between nations and between people. The question is how the world will share its right to emit (or pollute), or, will it freeze inequities? Will the rich world which has accumulated a huge ‘natural debt’