In reply to MeMeMe:
Many ethical funds are not what most people would consider ethical. You need to get a breakdown of where the fund invests: you'd be surprised at what makes it into such a portfolio: banks, transportation companies etc.
For example, the Jupiter Ecology fund holds 3.1% in Azbil, a company involved in (from their website)
Development, design, manufacture, sales, rental, installation, repair, maintenance, import/export, testing and inspection of instruments, equipment and systems in the following fields
Measurement and control instruments, equipment and systems
Electrical, communication and precision instruments, equipment and systems
Air conditioning control instruments, equipment and systems
Disaster prevention and security equipment and systems
Optical instruments, equipment and systems
Electrical/electronic equipment for medical applications and medical appliances
Waste treatment equipment and systems (water, oil, atmosphere, etc.)
Assisted/nursing care equipment and systems for elderly and/or persons with disabilities
Gas meters and gas-related equipment for gas supply
Water meters, hot water meters and related equipment for water and hot water supply
Manufacture and sales of plastic, diecast and metal parts for equipment and systems listed above
Purchase and sales of metals, and manufacture, processing and sales of foundry pieces
Construction, security and comprehensive management of buildings and facilities, operation of facilties, and consultation and information service for their operation
Design and management of buildings
Consultation for compliance with environmental regulations and environmental management
Supply of electricity, heat, etc.
Development and sales of computer software, and information services
Home service and designated home nursing care service and support business under Nursing Care Insurance Law
Medical and assisted/nursing caregiver education and training
Sales of life insurance and agency business of non-life insurance
Labor dispatch business