For £5 you can Plant a Tree to help restore natural forests.

• Plant a tree

For £25 you could offset the emissions of two return flights to a European destination.

• Offset your flights

For £50 you could offset 12,500 miles of driving a small to medium sized petrol car.

• Offset your petrol emissions

For a £100 donation to the Buy an Acre programme, you could help purchase one acre of critically threatened habitat and protect it in perpetuity for wildlife.

• Buy an acre for £100