摘要
<正>We talk to the Perfect Planet experts about their experiences, hopes and advice.We caught up with Dr Asha de Vos (Marine Biologist) and Dr Niall Mc Cann (Biologist), who provided their expertise to the A Perfect Planet series. They have both witnessed, first-hand, the myriad(无数的) ways that humans have upset the delicate balance of our planet’s ecosystems.