We are enormously grateful to our national sponsors, all of whom are demonstrating real commitment on their own journeys, taking their employees, suppliers and customers with them. Without these companies it would not be possible for us to continue our work, or offer all of this support for free, so thank you.

Boots, the UK pharmacy-led health and beauty retailing business of Alliance Boots, is committed to reducing the carbon intensity of its business, including through buildings, services and products, as part of its effort to become increasingly sustainable.

DLA Piper is taking action on climate change by engaging its workforce globally to reduce its emissions through education, support and global campaigns. DLA Piper has also taken a lead in developing a collaborative sector alliance by bringing the legal sector together to tackle the critical business imperatives of climate change.

EDF Energy increased customer retention by 23%, as well as its sales, by running energy efficiency programmes and offering toolkits for customers.