The Earthwatch 2007 expedition guide has just arrived -- over 130 research projects in exciting locations around the world, which you can join as a fee-paying volunteer. You can order your copy free from
There is an increasing number of teen projects and family projects, too. There is also a small number of grants for keen participants who cannot pay the fee.
Earthwatch is one of the good causes I support by writing about them regularly -- the latest major piece was in Chemistry World:
Gross M:
Chemistry World 3 No 9, 56-61
Around the World in 140 research projects
but there have also been a few shorter items in Current Biology regarding specific Earthwatch projects, e.g.:
Gross M:
Current Biology 16, No 21 (7.11.), R900
Leaves clue to lemur peril
[@]