Japanese and US conglomerates sign partnership deal for 152MW US wind farm and promise plenty more joint investments

Share price slumps further as US attorney general confirms investigation could result in criminal charges

Regional governments urge national counterparts to follow their lead on climate action

Trewin Restorick outlines the business opportunity presented by the previous government's over generous solar PV feed-in tariff calculations

Energy secretary blames predecessors for avoiding tough decisions in " classic example of short-termism"

Chinese government unveils arguably the world's most generous green car incentive scheme

New report predicts number of city heat wave warnings will increase five-fold within the next 30 years

Country outstrips UK, Japan, France and Canada as renewable energy capacity soars

United Nations climate chief says Danish presidency's backing for US also derailed Copenhagen negotiations

Shares slide on news of unexpected loss, but Indian turbine manufacturer predicts demand will soon recover