A book is like a single tree in a forest, in that it exists in conjunction with and because of a great many others around it.

If we have any hope of finding ways for seven billion people to live well on planet with finite resources, we have to learn to use our resources efficiently. Plastic bags are neither efficient nor environmentally friendly.

We all live downstream

Many instances of persecution and killing have occurred in countries with atrocious human rights records such as Sri Lanka, Guatemala and the Democratic Republic of Congo.

But human borders mean nothing to air, water, windblown soil or seeds or migrating fish, birds or mammals.

In nature there is no such thing as waste. In nature nothing is wasted; everything is recycled.

A book is like a single tree in a forest, in that it exists in conjunction with and because of a great many others around it.