According to the International Union for the Conservation of Nature, the world’s tallest land mammal may be in trouble. Giraffe populations have declined dramatically over the past 30 years, falling to approximately 97,000 from 163,000 in the 1980s.
Earth’s current biodiversity is the highest in the history of life – ever. It’s the product of three and a half billion years of evolution. But a new study warns that a tipping point is on the horizon.