Exnora International is a non-governmental environmental organization founded in 1989 in Chennai, India that focuses on preserving nature and preventing degradation. It conducts teacher training programs on environmental issues like biodiversity and climate change. The organization teaches how to create green buildings and vertical gardens.

1. Exnora International is a non-governmental environmental service
organization started in 1989 in Chennai, Tamil Nadu, India, by M. B.
Nirmal, a social activist. It focuseson preserving nature and
preventing environmental degradation.
The name Exnora is derived from excellent,novel and radicalideas in
solving environmental problems.
The organization's Environmental Training Institute conducts training
programmes forschoolteachers on environmental issues such
as biodiversity, climate change, and solid, liquid and zero waste
management. The teachers are taught how to turn a home into a green
building and set up vertical gardens.
Trees are beautiful and useful gifts of nature. Trees are great friends of
men. Trees give us flowers, fruits, timber, bamboo,fuels,etc. We can rest
under the cool shade of a tree. We get wood from the trees to make
furniture, doors,windows, etc.
Trees are also a great source of materials for paper, rubber, gums, herbs
and medicine plants. Forest brings clouds and cause rainfall. Trees prevent
soil erosion. They protectus from severe weather.
Importance of Trees: Trees are a part and parcel of earthly life. All life
directly or indirectly owes its existence to them.
 Trees release oxygen which we need forour life. They also absorb the
carbon-dioxide.
 Trees are the natural habitat of many animals and birds.
 Trees help make the land fertile. We get good crops out of fertile land.
 They are the sources of the fruits and flowers.
 They offerus cool shade during summer.
 During rainy season,we take shelter under the trees.
 Trees and plants are the sources of many supply life-saving drugs.
 They prevent land erosionand guard us against pollution. Thus, trees
keep up the ecologicalbalance.
 Trees protectus from inclement wind also.

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