In brief

What's on and where

SOUTH KOREAN engineering firm Doosan plans to build a £170 million renewables centre of excellence in Renfrew, Scotland, creating up to 1,700 jobs

GOOGLE HAS invested an undisclosed sum in CoolPlanetBiofuels, a US sustainable biofuel start-up

TESCO HAS installed four wind turbines at UK distribution centres as part of its aim to be carbon neutral by 2050

PHARMACEUTICAL GIANT GlaxoSmithkline plans to become carbon neutral by 2050

UK RETAILER John Lewis plans to install 150 fuel cells by 2020 to power its stores

SPORTS BRAND Puma is to publish an environmental profit and loss account later this year to measure the success of its green initiatives

A US AIR FORCE F-22 Raptor jet flew supersonic speeds in a trial using a 50 per cent sustainable biofuel blend

Events diary

May 2011

9: Chinas Low Carbon Opportunity; IIEA, Dublin; iiea.com/events

9-11: Cleantech Group Forum; Amsterdam; events.cleantech.com/Amsterdam/

10: Talk by Desertec Chairman; IIEA, Dublin; iiea.com/events

18-19: All Energy 2011; Aberdeen; all-energy.co.uk

24: European Renewable Energy Council biennial conference; Brussels; erec.org