Businessgreen.com Most Read – 25 September

Business leaders launch Copenhagen Communiqué

More than 500 firms call for "ambitious, robust and equitable" Copenhagen deal

Buffet joins UK offshore wind gold rush

Sage of Omaha reportedly in running for lucrative offshore wind grid contracts

Nissan's Leaf to drive with futuristic "Blade Runner sound"

All-electric car to sound reminiscent of flying autos from cult sci-fi movie

Google debuts climate modelling tools

New Google Earth layers allow users to see how climate change will affect them

China expected to unveil carbon trading plan

Chinese officials to outline proposals for national cap-and-trade scheme in latest effort to break Copenhagen deadlock

IBM, Cisco and Duke unveil smart grid initiatives

IT and energy giants launch new products and services designed to accelerate the rollout of smart grid technologies

IEA report: Low-carbon policies are working

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

UK launches £22m wave energy fund

Grants up for grabs to help firms move wave and tidal technologies to deployment phase

Ofgem announces offshore wind connection shortlist

Thirteen firms in running for nine multimillion-pound projects to build and operate high-voltage links to offshore wind farms

Aviation industry commits to halve emissions by 2050

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