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A2Ətraf mühit · Şəhər · Elm10 dəq oxu

Why trees cool a city

Shade and water from leaves can make hot streets more comfortable.

Shade on the street

Roads and buildings become hot in the sun. A large tree blocks some sunlight and gives shade. People can walk more comfortably under it.

Water from leaves

Trees also release water through their leaves. This process can help cool the air around them. Well-placed trees make a useful part of city design.

The right tree in the right place

A young tree needs years to make broad shade. It also needs enough soil, water and root space. A tree beside a building can shade hot walls. Trees near paths can make walking more pleasant. Local species often fit the climate better. Poor planting can damage roads or underground pipes. City trees therefore need planning and regular care. Planting is the start, not the end, of the work.

Shade should reach everyone

Hot neighbourhoods do not always have equal tree cover. People without shade face more heat while walking. Schools and bus stops also need cool routes. Residents can help choose useful planting places. Care budgets matter as much as planting events. A cooler city needs both trees and fair planning.

Shade changes the street

Sunlight heats roads, walls and roofs. These hard surfaces can store heat. They release some heat after sunset. A tree blocks sunlight before it reaches the ground. A shaded path can feel much more comfortable. Shade also protects parked cars and buildings. Large healthy crowns usually give more shade. Young trees need years to reach that size. Protecting old trees can therefore matter greatly. New planting and old-tree care should happen together.

Plant the right tree well

A tree needs enough soil, water and root space. The species should fit the local climate. Some places need trees that tolerate dry summers. Roots should not be trapped in a tiny hole. New trees need regular care while they grow. Dead trees do not provide future shade. Tree cover should reach hot, crowded neighbourhoods too. People walking and waiting for buses need shade. Residents can help choose useful planting places. Good planning turns planting into long-term cooling.

Mənbələr

Faktların dayandığı materiallar

U.S. EPA — Using Trees and Vegetation to Reduce Heat Islands

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