Today's poor ecological environment is a severe challenge faced by people all over the world. In the past few decades, countries around the world have been vigorously promoting land afforestation and restoration of the ecological environment.

Not long ago, a piece of news released by the media let people all over the world know about the efforts and successes of all countries in the world. According to the latest research report released by NASA, the earth is greener than 20 years ago.

Behind this success are the unremitting efforts of the majority of greening workers for decades. They can be seen in the desert, in the countryside, and in the city. Here are five beautiful green trees.

1. Ginkgo tree

Ginkgo biloba has strong adaptability and is an ideal tree species for greening. Ginkgo trees are planted on both sides of roads, which have ecological benefits such as anti-pollution, anti-fireworks, anti-dust, and anti-toxic gas.

At the same time, ginkgo also has the functions of conserving water, preventing wind and fixing sand, and maintaining water and soil. Ginkgo biloba has a peculiar leaf shape, dichotomous branch veins, and fan-shaped leaves, which make it have special ornamental value.

Especially at the end of autumn and early winter, after the leaves turn golden, they are gorgeous and dazzling and have higher ornamental value. They are one of the most beautiful greening trees.

2. Sycamore

The sycamore, one of the beautiful greening tree species, has huge leaves and strong photosynthesis, which is conducive to fresh air. This kind of tree has a strong ability to absorb toxic gases such as dust and sulfur dioxide, which plays a great role in protecting the environment.

The sycamore tree has a wide crown and good shade, which can alleviate the high temperature of the road in summer. It has a high survival rate and is the first choice for urban greening, but it is not suitable for planting in drier areas. At present, as an urban greening tree species, sycamore has been widely planted all over the world.

3. White wax

The trunk of the ash tree is straight, the crown is beautiful and open, and the branches and leaves are luxuriant. It is suitable for single-row or multi-row planting as a street tree.

It forms a boulevard in spring and summer, and a golden avenue in autumn. Trimmed spherical ash trees are especially suitable for roadside planting on campuses and green spaces.

They can be planted in clusters on the edges of lawns and lawns, isolated at the entrance of residential areas and in front of small buildings, or combined with other plants for landscaping.

As an excellent tree species resistant to soot, sulfur dioxide, chlorine, and other harmful gases, white wax has been listed as the preferred tree species for the prevention of PM2.5.

4. Kapok tree

This is one of the most popular and beautiful landscaping trees. Kapok is deep red, and when it is in full bloom, its branches are covered with bright and huge flowers.

It is extremely magnificent and is known as the "hero tree". This tree is now mainly planted in subtropical regions. There are many species of kapok, which can be used as advanced tree species for garden greening and landscaping, as well as advanced street trees and landscaping.

5. Eucalyptus

The eucalyptus tree, one of the most beautiful greening trees, has red leaves in spring, yellow flowers in summer, and yellow leaves in autumn. The fruit is purple and red. It looks like a lantern, which is very beautiful.

Eucalyptus has strong adaptability and obvious seasons. It is an ideal tree species for greening and foliage. It is suitable for garden shade trees, street trees, and landscape trees. It is also a good tree species for planting in industrially polluted areas.