The universe is a great mystery.

To wonder about life is not something we learn; it is something we forget.

I wrote 'Sophie's World' in three months, but I was only writing and sleeping. I work for 14 hours a day when I'm working on a book.

In the years to come, the combination of climate change and population growth could have a devastating effect on the planet and, needless to say, on humanity.

What we lack is a good, strong business climate with lower taxes, fairer regulation.

Geological change usually takes thousands of years to happen but we are seeing the climate changing not just in our lifetimes but also year by year.

If you are interested enough in the climate crisis to read this post, you probably know that 2 degrees Centigrade of warming (or 3.6 degrees Fahrenheit) is the widely acknowledged threshold for ""dangerous"" climate change.