National solar power scheme aims to achieve grid price parity by 2022
Hopes for meaningful deal boosted as large numbers of world leaders agree to fly in for crucial talks and US signals it could announce provisional targets
First phase of ambitious project aims to increase solar production from 6MW to 200MW by 2012
Ministers report encouraging progress at latest round of preparatory talks
Leaders sign communiqué signalling they are prepared to table emission targets at Copenhagen Summit
Emission reduction efforts will focus on transportation and buildings to limit burden on manufacturers
It looks as if any chance of a meaningful international climate change deal will be delayed into 2010, but green businesses should not be too despondent over Copenhagen's failures
Amendments may also give farmers a chance to sell carbon offsets on the open market
Brown still hopes to salvage climate talks as US rules out binding targets
Official: "We should try to complete the job earlier than later"