This week, we interviewed the naturalist, nature photographer and author, Chris Packham, about his Walk for Wildlife which will take place in London on Saturday 22 September.

Q. The Walk for Wildlife is a great initiative but why are you doing it now? Why this moment?

I, and many others, have reached a critical point of frustration. We know from the State of Nature report that many habitats and species are in decline. I’m armed with an enormous repository of statistics which I felt I had normalised, and they were just going up. Every time a new survey is done the figures get worse. I sensed that it wasn’t just me feeling this way. There is a general groundswell of people thinking “we have to do something now”. Read more