Invasive exotic species are a reality in all ecosystems. These biological invaders disrupt ecological patterns and cause billions of dollars in economic damage. Justifiably, governments are stepping up their response. However, while many invaders are considered unmitigated ecological disasters,...

Egypt’s position on the Nile Basin Agreement is at a legal crossroads. It steadfastly refuses to sign the Agreement, which established a new multilateral system for apportioning the river’s water and economic benefit among the ten states that are part of the basin region. Instead, Egypt...