Well, this is it. Yer last ever Babble. Thank you - seriously, thank you - if you've lent us your attention over the years. It's been a pleasure. Herewith a valedictory episode in which we reveal the real reason we're binning the babble, Ol serenades Dave with an original tune, and we...

For our final interview, we're joined for a second time by the majestic Chris Packham, our first 'proper' guest all the way back in 2015. We discuss all that has changed in those seven and a half years, not least some pretty hardcore stuff for Chris personally, and we chew over what the...

If there wasn't twitter, would we have solved climate change by now? Might we at least have got round to thinking about solving climate change? Would Ol have had more sleep? Sure, loads of important eco connections and organising and other useful stuff have happened via the site, but so...