Mulazim Hussain, 61, a farmer at the urban forest plantation project, collects dry grass in his electric rickshaw (tuktuk) in Karachi, Pakistan July 9, 2021. Karachi is a sprawling port city of some 17 million people, where breakneck expansion of roads and buildings means there is less and less space for trees and parkland. REUTERS/Akhtar Soomro SEARCH "SOOMRO PAKISTAN FOREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. TPX IMAGES OF THE DAY 

A worker prepares planting bags for seedling plants, to be used for urban forest projects, at the Sindh Forestry Public Nursery in Karachi, Pakistan, May 25, 2021. Karachi is a sprawling port city of some 17 million people, where breakneck expansion of roads and buildings means there is less and less space for trees and parkland. REUTERS/Akhtar Soomro SEARCH "SOOMRO PAKISTAN FOREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

A person rides on a camel as he passes through the new plantation of palm trees at the Clifton Urban Forest, previously a garbage dumping site in Karachi, Pakistan July 15, 2022. Karachi is a sprawling port city of some 17 million people, where breakneck expansion of roads and buildings means there is less and less space for trees and parkland. REUTERS/Akhtar Soomro SEARCH "SOOMRO PAKISTAN FOREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

A man reads a prayer on a phone as he sits at Sakhi Hassan Graveyard, which is filled with plants seeded by relatives of the dead, in Karachi, Pakistan July 12, 2022. Karachi is a sprawling port city of some 17 million people, where breakneck expansion of roads and buildings means there is less and less space for trees and parkland. REUTERS/Akhtar Soomro SEARCH "SOOMRO PAKISTAN FOREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Traffic moves under a bridge displaying a banner from the monsoon tree plantation campaign in Karachi, Pakistan July 5, 2022. Karachi is a sprawling port city of some 17 million people, where breakneck expansion of roads and buildings means there is less and less space for trees and parkland. REUTERS/Akhtar Soomro SEARCH "SOOMRO PAKISTAN FOREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Mulazim Hussain, 61, a farmer at the urban forest plantation project, waters plants near the reservoir at the Clifton Urban Forest project in Karachi, Pakistan July 2, 2022. "I have raised these plants like my children over the last four years," he said. REUTERS/Akhtar Soomro SEARCH "SOOMRO PAKISTAN FOREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Mulazim Hussain, 61, a farmer at the urban forest plantation project, holds aubergines at the Clifton Urban Forest project in Karachi, Pakistan July 2, 2022. "I have raised these plants like my children over the last four years," he said. REUTERS/Akhtar Soomro SEARCH "SOOMRO PAKISTAN FOREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Masood Lohar, 54, a development expert who has overseen Clifton Urban Forest, previously a garbage dumping site, checks the height of a tree planted last year in Karachi, Pakistan, July 1, 2022. Lohar said afforestation could help make Karachi more resilient against natural disasters and encourage wildlife to settle. REUTERS/Akhtar Soomro SEARCH "SOOMRO PAKISTAN FOREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

A man rides a motorcycle near a small urban forest developed by the government in Saddar, Karachi, Pakistan July 1, 2022. In Pakistan, forest cover lags far behind average levels across South Asia. REUTERS/Akhtar Soomro SEARCH "SOOMRO PAKISTAN FOREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Masood Lohar, 54, a development expert who has overseen Clifton Urban Forest, previously a garbage dumping site, shows eggs laid by moorhen in Karachi, Pakistan July 1, 2022. Lohar said afforestation could help make Karachi more resilient against natural disasters and encourage wildlife to settle. REUTERS/Akhtar Soomro SEARCH "SOOMRO PAKISTAN FOREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

A worker waters the Clifton Urban Forest plantation, previously a garbage dumping site in Karachi, Pakistan June 29, 2022. Karachi is a sprawling port city of some 17 million people, where breakneck expansion of roads and buildings means there is less and less space for trees and parkland. REUTERS/Akhtar Soomro SEARCH "SOOMRO PAKISTAN FOREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Pink flamingos fly past the new palm tree plantation, at the Clifton Urban Forest, previously a garbage dumping site in Karachi, Pakistan June 22, 2022. Karachi is a sprawling port city of some 17 million people, where breakneck expansion of roads and buildings means there is less and less space for trees and parkland. REUTERS/Akhtar Soomro SEARCH "SOOMRO PAKISTAN FOREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Babu, 51, a farmer at the Clifton Urban Forest, previously a garbage dumping site, walks with goats past the new palm tree plantation in Karachi, Pakistan June 22, 2022. Karachi is a sprawling port city of some 17 million people, where breakneck expansion of roads and buildings means there is less and less space for trees and parkland. REUTERS/Akhtar Soomro SEARCH "SOOMRO PAKISTAN FOREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Mulazim Hussain, 61, a farmer at the urban forest plantation project, leaves for work in Karachi, Pakistan July 10, 2021. Karachi is a sprawling port city of some 17 million people, where breakneck expansion of roads and buildings means there is less and less space for trees and parkland. REUTERS/Akhtar Soomro SEARCH "SOOMRO PAKISTAN FOREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Mulazim Hussain, 61, a farmer at the urban forest plantation project, washes after work in Karachi, Pakistan July 10, 2021. "I have raised these plants like my children over the last four years," he said. REUTERS/Akhtar Soomro SEARCH "SOOMRO PAKISTAN FOREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Mulazim Hussain, 61, a farmer at the urban forest plantation project, waters plants in Karachi, Pakistan July 9, 2021. In Pakistan, forest cover lags far behind average levels across South Asia. REUTERS/Akhtar Soomro SEARCH "SOOMRO PAKISTAN FOREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Mulazim Hussain, 61, a farmer at the urban forest plantation project, poses for a picture in Karachi, Pakistan July 9, 2021. "I have raised these plants like my children over the last four years," he said. REUTERS/Akhtar Soomro SEARCH "SOOMRO PAKISTAN FOREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Irfan Husain, 55, a former employee at a power utility in the Middle East, moves a newly-grown Azadirachta Indica seedling on his roof in Karachi, Pakistan June 17, 2021. Karachi is a sprawling port city of some 17 million people, where breakneck expansion of roads and buildings means there is less and less space for trees and parkland. REUTERS/Akhtar Soomro SEARCH "SOOMRO PAKISTAN FOREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Children help Irfan Husain, 55, a former employee at a power utility in the Middle East, to plant Azadirachta Indica seedlings at a graveyard on the outskirts of Karachi, Pakistan June 17, 2021. Karachi is a sprawling port city of some 17 million people, where breakneck expansion of roads and buildings means there is less and less space for trees and parkland. REUTERS/Akhtar Soomro SEARCH "SOOMRO PAKISTAN FOREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

An aerial view shows the urban forest with the business district in the background in Karachi, Pakistan June 6, 2021. REUTERS/Stringer SEARCH "SOOMRO PAKISTAN FOREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

An aerial view shows a green patch of Azadirachta Indica trees over a graveyard with the city in the background in Karachi, Pakistan June 6, 2021. REUTERS/Stringer SEARCH "SOOMRO PAKISTAN FOREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

A general view of the urban forest plantation is seen along the Lyari river in Karachi, Pakistan June 6, 2021. REUTERS/Stringer SEARCH "SOOMRO PAKISTAN FOREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

A worker waters a portion of urban forest at Kidney Hill park in Karachi, Pakistan June 3, 2021. In Pakistan, forest cover lags far behind average levels across South Asia. REUTERS/Akhtar Soomro SEARCH "SOOMRO PAKISTAN FOREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Irfan Husain, 55, a former employee at a power utility in the Middle East, rides on a bike while carrying Azadirachta Indica seedlings, which he will plant in Karachi, Pakistan May 31, 2021. Karachi is a sprawling port city of some 17 million people, where breakneck expansion of roads and buildings means there is less and less space for trees and parkland. REUTERS/Akhtar Soomro SEARCH "SOOMRO PAKISTAN FOREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Workers prepare a pool with sand, molasses and soil which is going to be a part of the Clifton Urban Forest, previously a garbage dumping site in Karachi, Pakistan May 26, 2021. In Pakistan, forest cover lags far behind average levels across South Asia. REUTERS/Akhtar Soomro SEARCH "SOOMRO PAKISTAN FOREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Prakash, 19, waters plants at the Clifton Urban Forest, previously a dumping site in Karachi, Pakistan May 26, 2021. In Pakistan, forest cover lags far behind average levels across South Asia. REUTERS/Akhtar Soomro SEARCH "SOOMRO PAKISTAN FOREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. TPX IMAGES OF THE DAY 

A general view of the plantation at the Clifton Urban Forest, previously a garbage dumping site in Karachi, Pakistan June 29, 2022. In Pakistan, forest cover lags far behind average levels across South Asia. REUTERS/Akhtar Soomro SEARCH "SOOMRO PAKISTAN FOREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Masood Lohar, 54, a development expert who has overseen Clifton Urban Forest, previously a garbage dumping site, checks the soil in Karachi, Pakistan May 26, 2021. Lohar said afforestation could help make Karachi more resilient against natural disasters and encourage wildlife to settle. REUTERS/Akhtar Soomro SEARCH "SOOMRO PAKISTAN FOREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

Lakshman, 40, pushes a stick used to support a seedling, as he works at Clifton Urban Forest, previously a garbage dumping site in Karachi, Pakistan May 26, 2021. Karachi is a sprawling port city of some 17 million people, where breakneck expansion of roads and buildings means there is less and less space for trees and parkland. REUTERS/Akhtar Soomro SEARCH "SOOMRO PAKISTAN FOREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. TPX IMAGES OF THE DAY 

A worker prepares planting bags for seedling plants, to be used for urban forest projects, at the Sindh Forestry Public Nursery in Karachi, Pakistan May 25, 2021. Karachi is a sprawling port city of some 17 million people, where breakneck expansion of roads and buildings means there is less and less space for trees and parkland. REUTERS/Akhtar Soomro SEARCH "SOOMRO PAKISTAN FOREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. 

A worker ties up a seedling at the Clifton Urban Forest, previously a garbage dumping site in Karachi, Pakistan May 9, 2021. In Pakistan, forest cover lags far behind average levels across South Asia. REUTERS/Akhtar Soomro SEARCH "SOOMRO PAKISTAN FOREST" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.