We are all well aware that steps need to be taken to prolong the life of this planet.

The words 'global' and 'warming' have become common parlance.

Most people do their bit, whether it's recycling, using public transport or holidaying in the British Isles rather than flying abroad.

However, last time we checked, it was not a crime to drive a 4x4.

And yet, under the cover of darkness, so-called eco-warriors felt the need to deflate the tyres of a handful of 4x4 vehicles in Marston.

Very brave.

Clearly having a fair amount of spare time on their hands, these individuals carefully placed a note on the windscreen of targeted cars politely saying this was part of a concerted campaign as part of a "wider struggle to avert global emergency".

However, these self-styled warriors appear to have missed the point - most of today's 4x4 vehicles are probably greener than the old banger next door or down the road.

If everyone who showed the slightest concern about the environment went to the extraordinary lengths these petty individuals did on Thursday nightJuly 17, there would be little hope for humanity.