5 major threats to biodiversity, and how we can help curb them

The fewer animals we have, the fewer humans we will have That's why biodiversity is important. The wide variety of species on Earth, whether they're plants, animals or microscopic organisms, are vital to keep the world's many ecosystems healthy, balanced and thriving — growing plants we can eat, trees we can shade under, and landscapes to use for everything from vacations to computer screensavers In other words, biodiversity ensures natural sustainability for all life on the planet — think m...