YouTube - August '08: The Truth About Al Gore - 3.5 minutes

Penn & Teller [Via I Hate Al Gore]

And if you question whether carbon dioxide really killed these deer, it means you hate your grandchildren

...The viscera of the deceased musk deers were sent to IVRI Barilley, Wildlife Institute of India Dehradun and Pant Nagar University Pantnagar. But, the exact reasons for these deaths could not be ascertained. Stomach disorders, pneumonia, heart attack and snake bite were attributed to be the possible reasons behind the deaths.
...
“We are holding consultations with the Central Zoo Authority, Delhi, and are expecting positive outcome. Climate change seems to have made Kanchula Kharakh no more suitable for musk deer breeding and could be the major reason behind the deaths,” he said.

In the last century, the animal was subjected to large-scale killing by poachers, particularly during winters, when due to drop in snow line the deers migrated to lower reaches.