Tom Wall / March 2020 – vol. 113, issue 3, pp 179 Is there a climate and ecological emergency? Reading the December 2019 issue of BB, I learnt from Mike Clarke that an estimated 23% of bird species studied so far worldwide are negatively affected by climate change, while Javier Caletrío passed on a warning that without urgent and drastic emission cuts, a third of animal species could be lost by 2070. That sounds like an emergency to me... This article is only available to registered users.To read more, please log in or purchase a subscription.