Planet Earth's nine lives: Our planet's limits
Our planet is like a cat with nine lives. People are harming some of these lives without realising. My guide shows you what's going on... and what's going wrong!
What's in my guide? Go directly to the topics that interest you most
Climate change: the planet is heating up and could soon do so much faster
Acid oceans: the seas are becoming hostile to animals with shells
The ozone hole: good news for a change
Smoke, dust and soot: all about aerosol loading
Too much of a good thing: overdoing the fertilisers
Fresh water: people are taking too much
Using the land: farming and forest destruction
Life in danger: why biodiversity matters
Chemical pollution: man-made chemicals get everywhere
What next? Videos and other resources to help you learn more
My thanks to both Sally Hargraves who drew all the cartoons which illustrate every page of my guide and Amy Ludman, aged 13, who has been my junior editor.