USA

Commerce Department announces new tariffs as officials meet to try to resolve on-going clean tech trade battle between the two countries

Electric or plug-in hybrid vehicles set to save taxpayers $10,000 per car with entire fleet due to be converted by 2025

Rules to limit soot from power plants and diesel engines set to save 40,000 premature deaths and cut healthcare bills by $4bn

Study concludes US winter sports industry lost $1bn over the past decade due to climate change

PV market sees 44 per cent year-on-year growth in third quarter with strong end to 2012 predicted

Annual Climate Counts report reveals how leading firms are cutting greenhouse gas emissions, while growing revenues and profits

Ed Davey confirms UK will deliver £1.5bn pledged Fast Start finance by end of December 2012

Poorer countries issue formal call for a strengthening of the proposed second Kyoto commitment period, as US reiterates commitment to UN talks

First US offshore wind farm increasingly optimistic about securing financing, after gaining approval for crucial power supply deal

Illinois Basin-Decatur Project has stored 317,000 metric tons of CO2 from an adjacent ethanol plant in an underground reservoir