Dig in to reduce your carbon footprint

Kathryn Barton, BTCV project leader, digs deep for Carbon Army Photograph: BTCV Photograph: guardian.co.uk David Martin, volunteer, Garden of Eden food growing project, Carrickfergus, Nothern Ireland Photograph: BTCV Photograph: guardian.co.uk Volunteer Peter Raynor (l) with Chris Wordsworth, volunteer at BTCV Hollybush, Leeds Photograph: Roger V Moody/BTCV Photograph: Roger V Moody/guardian.co.uk A volunteer at a BTCV food growing project in Wakefield Photograph: Lorne Campbell/BTCV Photograph: Lorne Campbell/guardian.co.uk BTCV's work includes regular conservation tasks across the UK, national and international conservation holidays, BTCV Green Gym, training and welfare to work programmes Photograph: Lorne Campbell/BTCV Photograph: Lorne Campbell/guardian.co.uk Dougie Thompson, schools project officer, BTCV, Leeds Photograph: Roger V Moody/BTCV Photograph: Roger V Moody/guardian.co.uk A volunteer at a BTCV community food growing project in Wakefield Photograph: Lorne Campbell/BTCV Photograph: Lorne Campbell/guardian.co.uk