A recent biodiversity meeting acknowledged the serious problem of deforestation while a new report on global environmental threats to trees offered a startling estimate. At a noisy press conference in ...

Researchers combined human and ecological factors to analyze the global scale of non-native tree species invasions. Human activity in hotspots of global trade, such as maritime ports, is linked to an ...

For centuries, human activity has intentionally or unintentionally driven the spread of plant species to areas far outside their native habitat. On average, about 10 percent of non-native species ...