Report calculates cutting paper use can save firms a dollar a sheet
New technology part of wide-ranging green building makeover
From green Olympic medals to Utah's climate sceptics, we run down the top stories from the past week
Conservatives insist they remain committed to building a high-speed rail network, but refuse to blindly accept government plans
Report finds around six per cent of global greenhouse gas emissions come from cow methane
Power station operator says subsidies and carbon price too low to justify use of biomass technology
Company says new methanol fuel cell could extend the range of electric cars threefold
Researchers believe making lorries more streamlined will help improve fuel efficency by up to 12 per cent
Fresh from its acquisition of silicon specialist 6N, Calisolar secures fresh funding to underpin expansion plans
Report part of long-term vision to make firms accountable for environmental impacts