Trees are superheroes of the climate fight. They inhale CO2 and exhale oxygen, filtering out air pollution with each breath. They suck up water from the ground and sweat it out through their leaves, which cools the air (think of them as mini–air conditioners). And of course they provide shade to all creatures great and small, as well as to the soil around them, which helps to reduce water loss through evaporation. As anyone who has taken a walk through a city park knows, they also offer mental health benefits to stressed-out urbanites. Trees are our deep-time evolutionary companions, fellow
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