Traffic and pollution on motorway near the financial district of Xian, China

West Power Station, burning coal to make electricity, Xian, China

Traffic congestion at a standstill in both directions on M25 motorway, London, United Kingdom

Traffic congestion of cars and lorries travelling in both directions on M25 motorway, London, United Kingdom

Traffic and pollution on motorway near the financial district of Xian, China

Cantilever bridge being built over the Chaophraya River, Bangkok, Thailand

Solar panels on rooftops of apartment blocks in Xian seen from the Dayan Pagoda, China

View of street in Xian seen from the Dayan Pagoda, China

View of new and old architecture in Xian seen from the Dayan Pagoda, China

In mid January 2015, a three day period of excessive rain brought unprecedented floods to the small poor African country of Malawi. It displaced nearly quarter of a million people, devastated 64,000 hectares of land, and killed several hundred people. This shot taken from the air on a flight to Makhanga, which two months on, is still cut off by the floods when all rail and road connections were washed away, is looking down on the flood waters still sat on the flood plain, and the devastated farmland.

In mid January 2015, a three day period of excessive rain brought unprecedented floods to the small poor African country of Malawi. It displaced nearly quarter of a million people, devastated 64,000 hectares of land, and killed several hundred people. This shot taken from the air on a flight to Makhanga, which two months on, is still cut off by the floods when all rail and road connections were washed away, is looking down on the flood waters still sat on the flood plain.

Poor air quality and pollution over calcutta, India.

Poor air quality caused by dust from the ongoing drought near Bakersfield, California, USA. Following an unprecedented four year long drought, Bakersfield is now the driest city in the USA. Most of California is in exceptional drought, the highest level of drought classification. 428,000 acres of agricultural land have been taken out of production due to lack of water, thousands of agricultural workers have lost their jobs and one third of all children in California go to bed hungry.

A warning sign about toxic air pollution outside a power from waste incinerator plant at Billingham on Teesside, England, United Kingdom, Europe

Road sweepers wear a face masks against the awful air pollution in Harbin city, Heilongjiang, Northern China, Asia

A cyclist wears a face mask against the awful air pollution in Harbin city, Heilongjiang, Northern China, Asia

Road sweepers on bicycles wear face masks against the awful air pollution in Suihua city, Heilongjiang, Northern China, Asia

Road sweepers wear a face masks against the awful air pollution in Harbin city, Heilongjiang, Northern China, Asia

Road sweepers on bicycles wear face masks against the awful air pollution in Suihua city, Heilongjiang, Northern China, Asia

Vapour trails (contrails) over a dawn sky near Ambleside, Cumbria, England, United Kingdom, Europe

Vapour trails (contrails) over a dawn sky near Ambleside, Cumbria, England, United Kingdom, Europe

Person with a safety suit in a forest area. Ayegui, Navarre, Spain, Europe

Person with a safety suit lying down in a flowers carpet in a forest area. Ayegui, Navarre, Spain, Europe

Person with a safety suit in a forest area. Ayegui, Navarre, Spain, Europe

View of Rhine and Sachtleben chemistry works, Duisburg-Homberg, NRW, Germany

Row of houses on the bank of the river Rhine at Laar, in front of ThyssenKrupp steel works Meiderich/Beek, Duisburg, NRW, Germany

Row of houses on the bank of the river Rhine at Laar, in front of ThyssenKrupp steel works Meiderich/Beek, Duisburg, NRW, Germany