Why in News? 

The Hon’ble Prime Minister, Shri Narendra Modi, addressed the nation during his Mann Ki Baat programme, encouraging citizens to adopt the Miyawaki concept for transforming urban spaces into thriving Miyawaki urban forests. 

The Miyawaki method for restoring tropical forest. 

 Miyawaki Plantation Method 

• The Miyawaki method, named after Japanese botanist Akira Miyawaki, involves planting 2–4 indigenous tree species per square meter.  
• Developed in the 1970s, its primary aim is to create dense green cover in small areas.  
• The trees grow to their full height within three years, becoming self-sustaining, requiring minimal maintenance like watering or manuring.  
• Common indigenous plants used include Anjan, Amala, Bel, Arjun, and Gunj. 

Significance 

• It absorbs dust particles and improves air quality. 
• It regulates surface temperature. 
• It grows 10 times faster than conventional forests. 
• It provides 300% more green cover in limited spaces. 
• It restores biodiversity with native species.