The 25/5 Challenge
The 25/5 Challenges involves cutting the carbon emissions that you are personally responsible for by 25%. Your ‘carbon footprint’ takes into account how much carbon is produced through your household gas and electricity, and how much you have travelled by car, rail, bus and aeroplane.
Read the full challenge (pdf file).
Read the latest news release on Alan Whitehead's progress on the Challenge
Calculate your own carbon footprint using the official British government CO2 calculator

