Swedish activist Greta Thunberg and a crowd of thousands of protesters marched in the Swiss city of Lausanne before many of them head to Davos next week to challenge political and business leaders to combat the climate crisis.
Months of drought that have contributed to Australia's catastrophic bushfire season have this week given way to huge downpours in some of the blaze-ravaged areas.
The Animal Rescue Craft Guild has supplied thousands of rescue groups around the country with protective pouches and blankets to help wildlife affected by Australia's bushfires.
More than 50 researchers in seven countries uncovered 26,558 koala genes in mapping the much loved marsupial's DNA. They say it could help fight threats to the Australian icon, including from a chlamydia epidemic.
A koala which, due to a rare condition, has one bright blue eye and one brown has intrigued Australian vets who have named her Bowie after the late singer.
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