Emissions

State think-tanks suggest government impose carbon tax scheme by 2013

Australian software automatically calculates and buys carbon credits according to computer power usage

IATA pledges to ensure global emissions peak by 2020 as air travel sector lends its voice to campaign for meaningful Copenhagen deal

Report shows record fall in global carbon emissions, with government policies responsible for around quarter of the drop

Study suggests future livestock breeding plans could result in lower greenhouse gas emissions

Draft laws underway to reduce greenhouse gas output

Facility promises to reduce air pollution and cut carbon emissions by between 20 and 25 per cent

Survey of businesses impacted by cap-and-trade scheme reveals talk of job losses accounts for little more than scaremongering

Rich nations need to cut CO2 emissions 90 per cent, says national think-tank

New Zealand biofuel firm Lanzatech says proprietary microbe uses steel factory emissions to help produce ethanol