Take A Treeflight
There are no two ways about it, flying is bad for the environment, as explained by Ru Hartwell, project director of Treeflights.com:
When we travel in an aeroplane we use loads of aviation fuel. In a few
hours we each burn up hundreds of litres of a non-renewable resource that it
took the earth (and the sun) millions of years to make. On top of this we
are producing a lot of CO2 which we all know is the main culprit for
global warming.