LifeLemur extinctions in Madagascar leave behind doomed orphan trees Past extinctions have left tree species with no way to spread their seeds. If the island's critically endangered lemurs disappear, whole forests may follow 51¶¯Âþ
EarthPilot plant to turn CO2 into house parts and paving stonesWhat to do with carbon dioxide extracted from air? One initiative is aimed at locking it up in rock, making useful building materials in the process51¶¯Âþ