New guidelines aim to make it simpler for developers to gain approval for small-scale hydroelectric projects

Farmers team up with Carbon Trust to develop new carbon footprinting guidelines

Government panel says households to share the expense, spending $809 annually

Europe's high-speed rail giant, SNCF, predicts domestic air travel in UK could lose millions of passengers to a 250mph train service

Walmart and FedEx latest to push forward plans for giant rooftop solar arrays

But uncertainty remains over how $22bn project costs will be covered

Software firm argues UK could cut carbon emissions by up to 25m tonnes by tackling unused office space

David Symons of WSP Environment and Energy outlines the steps businesses should be taking to ensure they do not fall foul of the UK's new carbon regulations

In an exclusive interview, Project Better Place founder tells BusinessGreen.com that "if we do this country, no one asks if we can do big"