What is a Temperature Inversion?
A temperature inversion occurs when a layer of warmer air traps a layer of cooler air near the surface. Temperature inversions are most common after…
Tag: The Walker’s Guide to Outdoor Clues & Signs
Why is the Horizon White?
Have you noticed how the horizon is white, even on a day when the sky is a perfect blue and there isn’t a cloud in…
What are Supernumerary Rainbows?
Supernumerary rainbows are faint bow lines that appear just inside the main rainbow. Look at the rainbow above and you may just be able to…
The Walker’s Guide is now out as an audiobook!
After 3 days in a Soho booth, I’ve been released into the woods for good behaviour and… The Walker’s Guide to Outdoor Clues and Signs…
How to Navigate Using the Upper Winds and Clouds
I have written in the past about the basics of using the weather to navigate. Here I’d like to offer a couple of tips to…
The Walker’s Guide to Outdoor Clues and Signs
The ultimate guide to what the land, sun, moon, stars, trees, plants, animals, sky and clouds can reveal – when you know what to look…
BBC Countryfile Magazine Awards
The Walker’s Guide to Outdoor Clues & Signs has won the BBC Countryfile Magazine “Country Book of the Year” Award. A huge, huge thanks to…
Ramblings with Clare Balding
In 2010 I was honoured to lead Clare Balding on the first ever night walk for her wonderful Radio 4 series, Ramblings. Yesterday we were…
How to Cross a Park Like an Explorer
I wrote an article for the Independent newspaper this week on ‘How to Cross a City Park Like an Explorer’. It gives a taste of…
To the Ends of the Earth…
In fourteen days, on the 8th May, the most comprehensive (and hopefully entertaining) guide to natural navigation on land ever written will be published: The…