There are many alternatives to wind turbines which are often more environmentally friendly.
They are not always better at producing profits for PLCs, however and some may - horror of horrors - actually be good for the consumer.
There is pitifully little research done into renewable energy when we look at the funds involved in the fossil fuels business (oil companies are amongst the biggest in the world and often have turnovers larger than a small country).
One further problem may be that our taxation structure relies so heaviley on fossil fuels.
There follows below a summary of the main alternatives. Click on each for further information.
This US Energy Department Site is a good starting point for further information.