Business group voices concerns over government plans for new per-plane duty
Norway and Brazil emerge as leaders in the development of zero-carbon built environments
Oil giant to acquire US biofuel operations in $98m deal
From New York climate talks to Spain's solar dominance, we run down the week's top stories
Major green technology agreement expects to create up to 1,000 jobs at Scottish and Southern Energy's Glasgow research centre
All the cuts detailed as DECC attempts to save £34m from low carbon technology budgets
Geothermal, offshore wind and Carbon Trust among the big losers as axe falls, but sources insist Wave Hub project is safe
New capacity in Europe and US exceeds new fossil fuel and nuclear capacity during 2009
Gush of oil stopped for the first time in three months – but Obama administration warns cap might only be a temporary fix
Coalition failed to beat cut-off point to introduce micro-wind and domestic heat pumps into the planning system