The places and people that experienced dramatic change and the stories that followed after
The country had one of the worst rates of overdose deaths in Europe.
BEST OF 2019: The tiny island of Vanuatu in the South Pacific is waging war on plastic, one piece at a time.
After living on California's streets for a decade, Greg and Marie received a remarkable invitation.
A national centre in Colorado receives dead eagles and processes them for Native American tribes.
Three years ago, an Airbus jet was deliberately sunk off Turkey's coast. It's now a buzzing home to sea life.
In 2018 - more than 35,000 people were forced to flee their homes every day - that's one every two seconds
The man helping to save Senegal's mangroves