I spent my boyhood climbing trees on Streatham Common, South London.

The 4-H girls planted trees and took care of them during the early stages of growth.

Trees and flowers have all been planted in the shopping center, making the atmosphere pleasant

As solar panels get cheaper, the world is likely to see more skyscrapers covered in solar panels, collecting energy much like trees do.

Trees need more water as temperatures rise, but the prolonged droughts have robbed them of moisture, making whole forests easily cleared of trees and turned into farmland.

trees that are dying usually give out a soft moan

The butterflies are so numerous that they often cover the entire trees.

"In America there are large ants which can eat whole trees bare as a broom handle in a single night,"she wrote in the description.

As trees outgrow their ideal habitats in the face of climate change, these flying ecosystem engineers could be a big help in replanting trees.

But for real trees, it's harder to uproot.

During the trials, the robot algorithms (算法) and mechanics will be fine-tuned to make it better suited to ailing livestock and ensure it safely navigates around potential hazards including trees, mud, swamps, and hills.

The leafy, spreading trees were planted on graves and as part of traditional rituals.

When that happens, many trees like walnuts, oaks and pines, rely 30 exclusively on so-called "scatter-hoarders, " such as birds, to move their seeds to new localities.