This piece was originally published in The Guardian and appears here as part of our Climate Desk collaboration. In a dank, disused railway tunnel in West Sussex hangs a brown, furry parcel, the sole known representative of Britain’s rarest mammal. Scientists don’t like to apply emotive adjectives to animals, but if ever there were a lonesome creature, it would be this greater mouse-eared bat. The bat’s reappearance in December for its 20th winter has astounded its guardians, because of the animal’s great age, but also because it was missing, assumed…
