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!

Finding your way around my Guide
To look through my guide, click the green arrow (below right) to go to the first page. At the bottom of each new page, you'll find identical green arrows which you click to go forward (right arrow) or back (left arrow). There's a surprise under each! Click the planet image to return here. All through my guide's 14 pages, there are cartoons which you can click on to make them big or even bigger!

You can also jump to any part that interests you from the table at the bottom of this page.

I've made a cool quiz about what you can discover in this guide. Try it and see how well you can do. And enjoy the special music which you can control for each question. Want more fun? Then try my Nine Lives Crossword Puzzle All the answers are in this guide...

Hover your mouse here and see what happens!Info popoutsDo you see? You can hover your mouse over words coloured blue with a solid red underline for an information popuout. This tells you more about what the blue-coloured words mean

Table of contents

Nine lives? What's that all about?

Big world? No, it's a small world!

Tribes and nations

Planet Earth's nine 'lives': what are they?

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 HargravesSally is a very talented artist. She lives near Cardigan in South Wales (UK). She also does puppet shows for kids who drew all the cartoons which illustrate every page of my guide and Amy Ludman, aged 13, who has been my junior editor.

Have you seen my new quiz? It's all about our Planet's Nine Lives.
And there's cool music which you can control for each question.

This message vanishes in 30 seconds!