Designers invited to submit ideas detailing how technologies could be repurposed to tackle environmental problems

Daniel M Kammen takes up new post as bank's first chief technical specialist for renewable energy and energy efficiency

Campaign group Sandbag calls for tighter caps on greenhouse gas emissions in Europe

Lord Adair Turner calls on energy secretary to clarify plans for offshore wind and renewable heat

Retail giant avoids self-assembly and acquires six German wind farms

UN climate change chief says absence of a "sunset clause" means Kyoto will live on as a second protocol after 2012 even if talks fail

Tenax Energy secures site licence for A$500m Clarence Strait development

Fast food giant becomes latest big brand to ditch Sinar Mas over allegations its palm oil plantations contributed to deforestation

Online survey requests public feedback on how to improve the climate resilience of the UK's water infrastructure