Catch me if I fall

"In a future Australia ravaged by climate change, twins Ashleigh and Aiden Delatour have always promised to protect and be there for each other, no matter what. Their privileged upbringing and loving, wealthy parents leave them with little to worry about. But when Aiden is seriously injured during a school trip, the twins' entire world begins to unravel. Back home from the hospital, something about Aiden seems different and Ashleigh's quest to find out why will uncover dark truths about the world they thought they knew, challenge their bond as twins and push how far they are willing to go to keep their promises"--Provided by publisher.