63. tree planting to shade the world so that the world will cool down, we all need to help each other, empty, afforest areas as much as possible because forests absorb carbon dioxide as the best in the world.
63. reforestation to make the world peaceful. To cool the planet We all need to plant a forest of empty space. Most likely because the forest is absorbing. Carbon dioxide The world's best
63. Forest to world peace to the world, cool down, we all need to work together. Forest cover. The empty area as much as possible, because the forest. Adsorption of carbon dioxide as a source of the world's best .