Saving the environment can start with cleaner water-heating devices. There are a variety of solar powered hot water heaters for you to choose from. They are easily installed in an area of optimum sun exposure or on the roof.
Inflatable fishing boat: Intex SeaHawk II / 2 Minn Kota Endura C2 35lb trolling motor.
While it may seem that your solar panels are always affixed to your roof permanently, the best ones permit repositioning of the angles. Fixed angle panels are just not that efficient.