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Govt overhauls six-decade-old sugarcane law; seeks comments on draft by May 20

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Flora & Fauna

Asian Elephant (Elephas maximus)
Status: Endangered
Threat: The expansion of sugarcane cultivation in fragmented forest fringes, particularly in the Terai region of Uttar Pradesh and parts of Karnataka, leads to severe human-elephant conflict as elephants use tall sugarcane crops for cover and forage.
Bengal Tiger (Panthera tigris)
Status: Endangered
Threat: Sugarcane fields adjacent to protected areas (such as the Dudhwa Tiger Reserve in Uttar Pradesh) act as ecological traps where tigers seek shelter, leading to accidental encounters, livestock depredation, and retaliatory killings.

Ecology Impact

Sugarcane is a highly water-intensive crop, requiring approximately 1,500 to 2,500 mm of water per crop cycle, which places immense pressure on groundwater resources in major producing states like Maharashtra and Uttar Pradesh. The formalization of standalone ethanol units and integrated mills under the draft Sugarcane (Control) Order, 2026, could incentivize expanded sugarcane cultivation, potentially accelerating aquifer depletion and soil salinization. Additionally, the discharge of untreated distillery effluents (spent wash) from expanded ethanol production poses a severe threat of eutrophication to local freshwater bodies.

Science & Tech Angle

The conversion of sugarcane juice, syrup, and molasses into ethanol relies on biochemical fermentation, primarily utilizing the yeast strain Saccharomyces cerevisiae to convert sucrose into ethyl alcohol. The draft order's recognition of value-added by-products like bio-fertilizers and power generation leverages anaerobic digestion of press mud and biomass cogeneration using bagasse. These processes utilize high-pressure boilers to generate steam and electricity, promoting circular economy principles within the sugar-ethanol complex.

Climate Change Link

The integration of ethanol into the regulatory framework directly supports India's Ethanol Blended Petrol (EBP) Programme under the National Policy on Biofuels, 2018 (amended in 2022), which targets 20% ethanol blending (E20) by 2025-26. This transition from fossil fuels to sugarcane-derived biofuels helps India meet its Nationally Determined Contributions (NDCs) under the Paris Agreement, specifically targeting a 45% reduction in emissions intensity of GDP by 2030 from 2005 levels. However, the high carbon footprint associated with intensive irrigation and fertilizer use in sugarcane farming can partially offset these net carbon savings.

Sustainable Development

The draft order aligns with SDG 7 (Affordable and Clean Energy) and SDG 13 (Climate Action) by integrating biofuel production into the mainstream agricultural economy to displace fossil fuels. It also supports SDG 12 (Responsible Consumption and Production) through the valorization of by-products like bio-fertilizers and bagasse-based power generation. However, it poses challenges to SDG 6 (Clean Water and Sanitation) due to the high water footprint of sugarcane cultivation and the risk of water pollution from distillery effluents.

International Frameworks

Paris Agreement
The promotion of sugarcane-derived ethanol as a biofuel directly supports India's commitment to reduce greenhouse gas emissions in the transport sector under its Nationally Determined Contributions (NDCs).
Global Biofuels Alliance (GBA)
Launched at the G20 New Delhi Summit in September 2023, the GBA aims to accelerate the global uptake of biofuels, with India's sugarcane-to-ethanol transition serving as a primary domestic model.
United Nations Convention to Combat Desertification (UNCCD)
Intensive sugarcane cultivation, driven by regulatory incentives, can lead to land degradation, soil salinization, and desertification due to over-irrigation and heavy chemical fertilizer application.

Sources consulted

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