Part 4 - A special report on reducing the carbon footprint of power stations with elephant grass.

Part 3 - A special report on reducing the carbon footprint of power stations with elephant grass.

Part 2 - A special report on reducing the carbon footprint of power stations with elephant grass.

Dr Robin North on a mobile environmental sensing project aimed at using cars and buses to understand air pollution patterns.

Journey to the bottom of the Earth - students reflect on Antarctic trip to see the effects of climate change.

Emma Green on what lichens can tell us about the state of our air.

Dr Alex Lord explains how blue tits are helping researchers understand the effects of climate change.

Part two of our climate change discussion with Sir Brian Hoskins, Joanna Haigh, Martin Blunt and Simon Buckle.

Part one of our climate change discussion with Sir Brian Hoskins, Joanna Haigh, Martin Blunt and Simon Buckle.

Alex Schey, David Howie and Andy Hadland on the Racing Green Endurance electric supercar.