‘This beautiful avenue of Limes in my neighbourhood never fails to give me a lift at any time of year, especially in the spring. These trees are healthy yet condemned to be felled. Two years of peaceful protest has so far failed to convince the Sheffield Council to think again.’ Photo: Isobel Stevenson/GuardianWitness

‘Just off Edinburgh’s high street there are many narrow alleyways, made all the more interesting by having a single (or more) trees in them.’ Photo: PMK052/GuardianWitness

Trees at night on Tower Bridge Road, London. Photo: Teresa Jozef/GuardianWitness

‘One of the few natural wonders of this sprawling, dense metropolis, the amazing Banyan trees of Hong Kong cling to and thrive in the most innocuous places. These beauties can be found adorning Hollywood Road in the central business district.’ Photo: rod_diaz/GuardianWitness

‘These trees were planted in Sheffield after the First World War to commemorate the lives of the local people who had died. Originally, 96 trees were planted, 46 remain and 23 of these are currently designated for felling.’ Photo: ID9147061/GuardianWitness

‘Cherry blossom in west London’s Notting Hill, outside a fabulously painted pink door.’ Photo: lucemac_/GuardianWitness

‘Ottawa in Canada had its first urban forest management plan, designed to ensure the treescape is protected, adopted just a couple months ago. This picture was taken in early autumn before all the leaves had changed colour. The majority of trees you see here (maple, oak, crabapple) are planted on city owned land adjacent to the houses.’ Photo: waywardcanuck/GuardianWitness

‘In a juxtaposition of the corporate and natural world, an office worker enjoys their lunch break near a tree by City Hall on Southbank, London.’ Photo: ID1348488/GuardianWitness

‘Trees bring ever-changing life to an urban street in West London. This Golden Rain tree is full of wildlife: bees on the flowers, parakeets feeding on the seeds and sometimes a woodpecker on the trunk.’ Photo: Steve Pocock/GuardianWitness

‘This squirrel runs along the branch of the oak at the end of my mum & dad’s garden. I have lost hours watching the squirrels. The tree is beautiful but I particularly love seeing it in winter.’ Photo: Betsysalt/GuardianWitness