Australia horse deaths: Wild animals perish at dried-up waterhole
Plastic waste: Runners face littering disqualification
Humans have made 8.3bn tons of plastic since 1950. This is the illustrated story of where it's gone
In Australia, Stubborn Fires Shroud Cities In Smoke, Char Terrain And Menace Koalas
Climate change: Firms failing to tackle crisis will be delisted from stock exchange, Labour says