Investment

Analysts calculate price of carbon credits for first year of US cap-and-trade scheme

President backs up environmental rhetoric with the greenest budget in US history

Major new investor study warns wide range of industries already facing disruption as a result of water shortages

Developer of low cost fuel cells reportedly on track to raise fresh funds as it seeks to commercialise technology

PG&E and NRG Energy unveil plans for 1GW of new solar projects

But analysts remain upbeat as volumes increase and new trading schemes come online

DECC formally launches carbon offset quality mark and announces consultation on carbon neutral definition

Consultancy claims quick dispersal of government funds could encourage investors back towards clean tech firms

Building industry calls for green home makeover scheme to be extended to cover non-domestic properties

"We invented solar technology, but we've fallen behind countries like Germany and Japan in producing it," warns president