The document thanks the recipient for signing up for the Future Energy tariff, which supports renewable energy sources and environmental education programs. It contributes £2 per month to match electricity usage with renewable sources through the National Grid and support a fund for schools to reduce emissions and teach green values. As a thank you, signees receive 20% off energy efficient gadgets with a provided code. The tariff is one of many British Gas programs to help customers live sustainably and save money through an energy savings report.