BBC News – Science & Environment

• Australia fires: 'Apocalypse' comes to Kangaroo Island
  Australia's Kangaroo Island has been likened to Noah's Ark – but its unique wildlife is under threat.
• Sir David Attenborough warns of climate 'crisis moment'
  We're at a pivotal point in efforts to tackle climate change, the naturalist and broadcaster warns.
• Microsoft makes 'carbon negative' pledge
  The tech giant promises to remove all the carbon it has emitted since its founding in 1975.
• Dinosaur extinction: 'Asteroid strike was real culprit'
  A team of scientists discounts the idea that large-scale volcanism drove the demise of the dinosaurs.
• 'Resistant' trees planted in Hampshire in ash dieback fight
  Scientists have identified 3,000 ash trees with suspected resistance to a deadly disease.