Watch out - Ridgewood High School's recent weekly electricity use increased by 2.3%. This has cost an extra £20. and released an extra 220 kg CO2 to the atmosphere.
The Romans were the first to use geothermal energy to heat their homes, with warm air moving through the walls and under the floors.
The power of the sun is so great that, if we could harness it fully, the sunlight beamed on the earth for 1 hour could meet world’s energy demands for an entire year!