An Afghan girl arrives to the shore of Lesbos suffering from hypothermia after crossing from Turkey in mid winter. Shot for MSF/Greenpeace

As the Arctic sea ice retreats over 700 miles from the shore in the autumn, bears must either head north or swim south to land as the ice breaks up.

Taken from Wildscape Alaska.

Since the beginning of December 2013, the influx of refugees into Uganda has continued to increase, leaving tens of thousands of people in dire need of emergency medical care, shelter, food, water and adequate sanitation facilities.

Anjali Gayen's farmland was destroyed by cyclone Aila. Hundreds of people were killed and more than 22,000 homes were ravaged when cyclone Aila struck the Bay of Bengal in May 2009. The cyclone destroyed the former wall, smashing it to pieces, rendering people homeless and destroying farmland.

Greenpeace divers inspect a FAD (Fish Aggregation Device) in the Indian Ocean.

Pilgrims asleep on the streets of Rishikesh during the Kumbh Mela.

A storm in the Himalayas.

From the story A Changing Landscape. Permafrost melt in Siberia.

The autumn whale hunt in Barrow, Alaska.

A young girl walks from her make shift home in the morning to make porridge for her brothers and sisters. They have been separated from their parents while fleeing to Uganda.

Greenpeace climbers and a Polar Bear head out to protest against ExxonMobil's plans to drill in the Russian Arctic on the 25th anniversary of the Valdez oil disaster.

The top of a smokestack belching out carbon dioxide at the Patnow power plant.

The Northern Lights shine in the sky above a Bowhead whale bone left by Inupiat hunters.

The first whale caught in the autumn Inupiat hunt is butchered. Barrow, Alaska

Queen Elisabeth National Park, Uganda

Migrant workers sleeping on the pavement.

A huge iceberg drifts towards Cairn Energy's drilling operations in Baffin Bay, Greenland.

The Yaptik family pack up their belongings ready to migrate with their reindeer across the tundra.

Nadya Vanuyto and her children prepare fresh fish for evening supper.

Ex Lawyer and Guru, Acharyanirj leads the group of holy men and professionals on a 2,500 kilometre march from the source of the Ganges to its delta. The group hope to raise awareness about toxic industrial discharge and pollution in the Ganges.

Orphaned orangutans at the Frankfurt Zoological Society's centre in Bukit Tigapuluh National Park.

A Cairn Energy contracted vessel hoses an iceberg drifting into oil drilling safety zone.

Refugees from South Sudan wait for food in the holding camp in Adjumani, Uganda

This girl was rescued and taken to the These Little Angels orphanage in Uganda after her mum tried to kill her. Two days later, this was her first day at school.

Dr Hans Thewissen from North Eastern Ohio Medical University takes bone samples from remains left by Inupiat hunters.

Part of the Stranded story

A 'pompong' boat driver from the village of Teluk Meranti looks out over the Serkap River at an approaching storm.

A biker rides through the dunes on the outskirts of the Badain Jaran desert north of Wuwei, China.

Queen Elisabeth National Park, Uganda