We're at a pivotal point in efforts to tackle climate change, the naturalist and broadcaster warns.
TikTok videos made by doctors and nurses this week have been accused of spreading misinformation.
From population to plants, your questions answered about climate change.
Plants are photographed regrowing in parts of Australia ravaged by fire last month.
How do you tell a pet that it will no longer see one of its loved ones, through no fault of its own.
Two YouTubers have been charged $6,000 (£4,600) over the use of four clips in their videos.
The artists also raised money to help wildlife impacted by the worst wildfires in decades.
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