Explanation:

Akira Miyawaki method

• The Miyawaki method of afforestation is a technique pioneered by Japanese botanist Akira Miyawaki, that helps build dense, native forests. The approach is supposed to ensure that plant growth is 10 times faster and the resulting plantation is 30 times denser than usual. It involves planting dozens of native species in the same area, and becomes maintenance-free after the first three years.
• It was in news because- Guwahati Refinery adopted Akira Miyawaki method of a forestation