Russell Mittermeier (RM): We face several major challenges in achieving our conservation objectives, both short and long-term.

FORBES: Conservation International: Stemming the Tide of Environmental Crises, Part One

"Amazingly, we've managed to get through the 20th Century without any primate species going extinct, " Dr Mittermeier said.

BBC: NEWS | Science/Nature | Quarter of primates face abyss

"If we do nothing, as many as one-quarter of all today's primates will be dead in 20 years, " Dr Mittermeier said.

BBC: NEWS | Science/Nature | Quarter of primates face abyss

Russell Mittermeier (RM): Yes, there is no question that the Extinction Spasm that we are entering is bad news for us all.

FORBES: Conservation International: Stemming the Tide of Environmental Crises, Part Four

Russell Mittermeier (RM): We need to continue to demonstrate that biodiversity conservation must be a basic element in any long-term economic development strategy.

FORBES: Conservation International: Stemming the Tide of Environmental Crises, Part Five

"If you took all the remaining individuals from the 25 primate species on this list and gave them a seat in a football stadium, they'd all fit, " said Russell Mittermeier, president of Conservation International.

BBC: NEWS | Science/Nature | Quarter of primates face abyss