A solar tree has leaf-like adjustable solar panels connected through metal branches using sunlight to make energy. The solar tree panels charge batteries during the day; at dusk, the tree automatically switches on LED lights.

The first of June became a grim day for the world as the seemingly united forum of Paris climate accord got a severe setback with the United States announcing its exit from the agreement. Ironically, the departure was announced just four days prior to the World Environment Day on June 5. The decision by the US not only cast a dark shadow on a special day for environment globally, but also exposed the vulnerability of the international agreements to the whims and fancies of its powerful members.

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