Widespread use of the non-steroidal anti-inflammatory drug (NSAID) diclofenac to treat livestock has resulted in dramatic declines in the populations of vultures across India. This has become an issue of considerable concern as vultures are a keystone species and their decline has a range of...

This study looks at the behaviour of emissions when in disequilibrium with respect to the environmental Kuznets curve (EKC) relationship. We use the non-linear threshold cointegration and error correction methodology and a long dataset beginning in 1830, in an application to the United Kingdom....