In coming decades 40% of insect species may go extinct in what experts have called an ongoing "insect apocalypse."
Just how smart and inventive orangutans can be continues to surprise us.
The Southeast Asian nation is the most important hub of the illegal global ivory trade.
The proportion of trees with high density wood is higher in forests with elephants.
Ground tiger bones or whiskers do nothing to alleviate meningitis or malaria.
As of last year there were an estimated 2,967 wild tigers in India, or nearly 80% of the world's tiger population.