Mayor paints the one millionth square foot of New York roof space white to mark effort to slash energy bills

German train operator runs successful test journey through Channel Tunnel, but French ministers still unhappy at Siemens beating Alstom to new train contract

Funding is half the sum originally requested but allays fears the coalition would drop costly commitment altogether

Enel Green Power to list on Milan and Madrid stock exchanges on November 4

James Reddish, associate director in Capita Symonds' flood risk and water management team, outlines the steps businesses need to take to mitigate the risks of flooding

Major study ranks leading economies' carbon pricing policies

Government insists it remains committed to tidal energy despite refusal to support flagship project

Shaturskaya project first to be certified by Joint Implementation Supervisory Committee

Board fails to reach decision on proposal to make Clean Development Mechanism auditors responsible for excess carbon offsets from approved projects

City claims title for second year in a row, as think tank praises measures to promote "vibrant clean tech cluster"