Any one that is worried about the environment and goes on holiday in a caravan, can help the environment and safe money too.
you can buy packs of garden solar lights on e bay at a very reasonable cost,
put the lights out around your caravan during the day, then at night bring them in and you have all the light you need to get around your caravan,
1, saving on the earths resourses
2, saving you money,
3, reducing your carbon footprint