Please sign this pledge. In return you will receive a personalised certificate showing your promise. Please display it so as to encourage others to sign too.

Gold Pledge

By pressing the ‘Sign gold pledge’ button you undertake not to take any flights, except in an emergency, in the year following the above date.

Silver Pledge

By pressing the ‘Sign silver pledge’ button you undertake to take not more than two return short-haul flights, or one return long-haul flight, except in emergency, in the year following the above date.