By Ben Guarino | The Washington Post | May 10, 2016 Plants pervade almost every part of human life — not only do we eat them and wear them, we use plants for fuel, medicine, building materials, poisons and intoxicants. To limit the world’s plants to those that meet a human need, however, would be doing the leafy kingdom a … Continue reading First report of all the world’s plants finds 1 in 5 species facing extinction