the series of books by Tricia Oktober

 Drought
 Rainforest Reef
 Bushfire
 OilSpill  et al

the beautifully illustrated silk screen paintings series by Kim Michelle Toft
 One Less Fish
 Turtle's Song
 The World that We Want

series by Karen Lloyd-Jones / Yvonne Winer with superb illustrations
 Spiders Spin Webs
 Frogs Sing Songs
 Butterflies
 Wild Cats Prowl 

'V for Vanishing" by Patricia Mullins

 Eyes in the Dark - Kim Dale


 Baby Bilby, Where do you sleep? - Narelle Oliver

 Dear Greenpeace - Simon James. 

Prayer for the 21st Century - John Marsden

The Jeanie Baker picture books

 Where the Forest Meets the Sea - Jeanne Baker

One Child - Christopher Cheng.

 Graeme Base's The Waterhole. 

 Rosie Dock

 The Sknuks  - Colin Thiele

 Neptune's Nursery

'The Blooding' by Nadia Wheatley
 

 'Refugees' by David Miller

 Z for Zachariah Robert C. O'Brien  (nuclear destruction)

One Child by Chris Cheng

Dear Mr Sprouts


 Lester & Clyde


You and me and Murawee by Kerry Hashmi - shows the differences  in how aboriginal people treated environment  with today.

 Saving Abbie - Alan Baillie  - endangered species