Supermarket chief executive Justin King warns mandatory carbon reporting would create arbitrary regulations which would fail to drive real change
Report reveals just 66 of UK's 350 largest companies independently assure their sustainability reports
Study highlights need for firms to manage supply chain emissions
Mandatory carbon reporting rules could come into effect from next April
New figures suggest SMEs can save £400m a year through basic emission reduction measures
Merrill Lynch chief says REDD scheme investors face risks equivalent to "emerging markets squared"
Billionaire investor's green credentials take a dent as Berkshire Hathaway Group votes against emission caps for energy firms
Initiative will benchmark effective agricultural emission reduction methods across different farms
Each thousand tonnes of additional greenhouse gas emissions lowers company value by more than $200,000, study says