With the natural greenhouse gases, the world’s average temperature is a comfortable 15 degrees celsius.
Without the natural greenhouse effect the world’s average temperature would be a chilly minus 18 degrees celsius.
It only takes one kWh of electricity to boil ten litres of water.
The energy saved from recycling one glass bottle can run a 100-watt light bulb for four hours. It also causes 20% less air pollution and 50% less water pollution than when a new bottle is made from raw materials.