The competition is run annually by the Chartered Institution of Water and Environmental Management. 'Not in My Forest' by Calvin Ke, taken in Malaysia in 2018, received a Highly Commended award. He saw this southern pig-tailed macaque clutching a discarded bottle, examining and tasting it before sinking into this expressive pose

• Stunning photos revealed as winners of Environmental Photographer of the Year 2018
• Shortlisted and highly commended images have also been revealed by the judges 
• The competition, organised by the charity CIWEM, received entries from 89 countries
• They provide insights into the environment and the livelihoods of people worldwide
• Organisers hope that people's reactions will make them consider their own impacts 

'End Floating' by Saeed Mohammadzadeh of Iran was the winner this year's top prize. The photo shows a ship sitting in salt in the Urmia Lake in Iran. Climate change is intensifying the droughts that speed up evaporation in the region. The lake has also been suffering from illegal wells and a proliferation of dams and irrigation projects causing it to reduce significantly in volume

This image, 'Life in Garbage' by M Yousuf Tushar, of Bangladesh, was one of the shortlisted photographs chosen by judges at the London based charity, which is dedicated to water and environmental management. It shows people trying to eke out a living in a landfill site.

Save Turtle by Jing Li, taken in Sri Lanka in 2018, shows the moment when his group of divers found a young turtle caught in a net bag when they were searching for whale in Trincomalee. The turtle was flapping its flippers for help and a free-diver rescued it. The image was highly commended by the panel of judges

'And Life Rises' by Younes Khani Someeh Soflaei, taken in Iran in 2017, shows a woman and her little daughter standing next to damaged items recovered from the rubble of their house in Sarpol-e Zahab, following the devastating earthquake that hit the region and killed over 600 people. It won the Built Environment Prize 2018

'Dryness' by Chinmoy Biswas, which was photographed in India in 2018, shows a child found sitting on dry, cracked and scaled land, due to a long dry spell and a lack of water. It picked up the Changing Climates Prize 2018

'Bulrush' by Ümmü Kandilcioğlu, taken in Turkey in 2017, shows a worker making straw from reeds for a living. It won the Sustainability in Practice Prize 2018

'Happiness on a Rainy Day', taken by Fardin Oyan in Bangladesh in 2017, won the Young Environmental Photographer of the Year award. Bangladesh’s children are fond of a rainy day and love to bath and play in rain. The country is flat and sits on the huge Ganges-Brahmaputra Delta exposing it to floods, especially during monsoon season

'Urban Life' in Singapore by Thigh Wanna, taken in 2017. About 80% of the people in Singapore live in the high-rise apartment buildings. Air pollution remains a significant problem in a number of Asian cities. Health care provision is also a problem in many parts of the region. This image was Highly Commended

'Boulmigou The Paradise of Forgotten Hearts' by Antonio Aragón Renuncio, taken in Burkina Faso in 2017. These children are playing on old tires that will be burned in the polluted quarry of Boulmigou. The consequences of this practice include, respiratory diseases and groundwater contamination. This image was also highly commended.

'Floating Life On River Under Pollution' by Tapan Karmakar, taken in India in 2018. River pollution increases every day in India. This image, which was highly commended, shows the Burigongga river, found in Dhaka, Bangladesh

'The Unnatural in Nature' by Daniel Adcock of the UK.took this picture at Horsey Beach, Norfolk, England. He said: 'I managed to photograph the seal, snared by a discarded plastic fishing net, looking directly at the camera with what appears to be a sad expression'

'The Death Quarry' by Antonio Aragón Renuncio show two young men transport 33lb (15kg) bowls of stone on their heads at the polluted Boulmigou quarry in Burkina Faso. It was selected as a finalist in the competition

'Hungry World' by Barun Rajgaria, India. A malnourished boy stands outside his home. The competition, organised by the Chartered Institution of Water and Environmental Management (CIWEM), is sponsored by camera firm Olympus

'New Toy' by Kevin Morgans was selected for the competition's shortlist. He said: 'I feel this image is important as it highlights how big and far our plastic pollution problem has become and how this is affecting the wildlife in the Arctic region'

'Pipes Draining the Hazardous Laguna Palcacocha in Peru' by David Rippin, was also selected as a finalist. He said: 'When glaciers retreat they leave dangerous proglacial lakes that can catastrophically flood. Here water is removed to artificially keep the lake levels lower'

'Toxic Environment' by Supratim Bhattacharjee of India shows cows left at a landfill area so they can eat the garbage by cattle farmers. The milk from these cows is sold at the market.

'Loneliness' by Zoran Milutinovic, taken in Serbia, shows a lonely refugee (bottom right) in an abandoned space filled with waste. CIWEM, the charity behind the competition, says its vision is to build a safer and more sustainable world