Cleantech

Hope that example set by Munich, Seattle, Lima and others will prompt pledges to commit to zero emissions by 2050

The EU is changing the way it identifies research priorities for energy technologies - genuine clean-tech research needs to be at the top of the list

Kirsty Gogan of Energy for Humanity argues that Google's explanation for shelving its RE

Energy generation, efficiency and storage start-ups share $9m of government support from Energy Entrepreneurs' Fund, as £40m boost announced for biotechnology sector

Financing round led by IP Group plc promises significant boost for UK developer of flexible and lightweight solar cells

Department of Energy report forecasts $5bn return from Federal programme Republicans tried to end after collapse of Solyndra

Cambridge start up claims it is closing deals to install lightweight solar converters across 27,000 car park spaces

Joel Makower talks to Paul Hawken about his bold proposals for reducing, not just stabilising, atmospheric concentrations of greenhouse gases

Annual grant programme opens to entries, but oil giant faces fresh accusations of 'greenwash' over climate conference sponsorship

Latest government survey again confirms strong support for renewable power, as opposition to fracking exceeds support for the first time