Hear Pen Hadow and his team live on 1 May as he addresses HRH the Prince of Wales and over 1500 business delegates at the Prince's May Day Summit on climate change at 12 events across the UK. You can take part in the Summit online and hear Pen’s message live from the Arctic by going to www.maydaysummit.com and registering to take part. The Prince's May Day Summit is the UK's largest gathering of businesses committed to taking action on climate change.