Where is it cheapest to cut carbon?

Researchers have shed some light on why some countries are more reluctant to agree to an international carbon price than others.

Where is it cheapest to cut carbon emissions?

Why are different countries pursuing different types of carbon emission reduction schemes, and what will each cost, writes DAVID STERN.

Australia’s Kyoto 2 target: shaking up our thinking

FRANK JOTZO analyses Australia's emissions target at the Doha climate conference.

'Price collar' could break climate deadlock

The world needs to move away from only setting national carbon emission targets, and instead supplement these with an agreed maximum and minimum carbon price that clearly measures the effort it takes to reach these targets, according to new research.