Why in Broadcast?
- In “Mann ki baat” segment, PM discussed the Miyawaki plantation, a Japanese technique for condensing dense urban woods into a tiny space. The PM gave the example of Raafi Ramnath, a teacher from Kerala who used the Miyawaki technique to plant 115 different types of trees on a barren piece of land to create Vidyavanam, a miniature forest.
About The Miyawaki Plantation Method
- This technique is named after the Japanese botanist Akira Miyawaki.
- It includes planting 2 to 4 distinct native tree species in each square metre.
- With this technique, the trees reach their maximum size in 3 years and become self-sustaining.
- This method was created in the 1970s with the primary goal of increasing the amount of greenery on a limited space.
- This approach uses largely self-sustaining plants that don’t need frequent upkeep like mowing and watering.
- In the Indian context, Anjan, Amala, Bel, Arjun, and Gunj are a few of the often-used native herbs in these woodlands.
As A Tool For Mitigating Global Warming & Climate Change
- With fast-paced infrastructural development and construction, it is the environment that has to bear the cost through global warming & climate change.
- With several infrastructure projects like real estate, metro rail projects in many cities over the past few years, it was recorded that the surface temperature in certain pockets of cities has increased.
- Miyawaki forests can play a major role in regulating the carbon levels of a given area, which may in return help in maintaining clean cities.
- Also, these forests would encourage new biodiversity and an ecosystem will be developed around it, which in turn will increase the fertility of the soil and regulate surface temperature.
- Global warming: Global warming is the long-term heating of the earth’s surface due to human activities, primarily fossil fuel burning & cutting of trees.
- Climate Change: Climate change is a long-term change in the average weather patterns that define Earth’s local, regional and global climates.
- SDG-13: SDG-13 calls for the widest possible international cooperation aimed at accelerating the reduction of global greenhouse gas emissions and addressing adaptation to the adverse impacts of climate change.
Way Forward
- Miyawaki forest can be seen as a way to achieve SDG-13 goal.
- But many ecologists are sceptical about its viability in Indian climates despite its high success rate.
- Further, regular greening initiatives should be prioritised as well since Miyawaki afforestation cannot be viewed as a replacement for routine tree planting.