CBG in India: From Policy Push to Execution Reality

What if India’s biggest energy solution is sitting in its waste? A disruption in LPG supply can stall cities within days, exposing how fragile our energy system still is. As global tensions ripple through fuel supply chains, the question is no longer about access, but control. Compressed biogas (CBG) offers a powerful answer: a domestic, […]
Ostara Advisors Appoints Sophia Nadur as Strategic Advisor to Strengthen Global Energy Transition and Mobility Practice

Ostara Advisors, India’s leading deep-tech & sustainability-focused investment bank, announced the appointment of Sophia Nadur as Strategic Advisor. In this role, Sophia will guide and support Ostara Advisors in deepening their strategic counsel across the energy transition, e-mobility, cleantech and sustainable infrastructure ecosystem, while strengthening the firm’s global investor and innovation network. Sophia Nadur brings […]
India’s Quiet Bet on a Multi-Century Energy Moat

Most of the world is racing to add renewable megawatts this decade. India is playing a different game. On 6 April 2026, at 8:25 PM IST, the Prototype Fast Breeder Reactor (PFBR) at Kalpakkam achieved first criticality. It is the kind of milestone that does not move markets the next morning, but quietly changes what is […]
Building the Climate-Resilient Economy

Climate resilience isn’t just an environmental issue anymore. It’s about keeping cities running, businesses operating, and people earning when the weather turns extreme. Floods, heatwaves, water stress, grid failures: these are no longer “once in a decade” shocks. They’re becoming part of the operating environment for infrastructure, supply chains, and daily life. That shift is […]
From Momentum to Maturity: Climate Tech in India 2025

From the Founder’s desk 2025 – what a year it has been! We made magic with our conviction to transform mobility with climate capital and are now working on ever-more ambitious goals for India’s energy transition. As I look back on the year gone by, one thing is clear: climate tech in India has moved […]
Greening the Skies: The Economics and Momentum Behind SAF

Aviation has long been the symbol of global progress: connecting economies, people, and ideas across borders. But it also carries a heavy carbon cost. Aviation may emit only about 2.5% of global CO₂, but its real climate footprint is far larger. When you factor in the extra warming from contrails (ice-crystal trails that trap heat) and […]
Powering AI Responsibly: Building the Green Data Centres of Tomorrow

Every time you ask ChatGPT to write a simple 100-word email, it quietly gulps down more than half a litre of drinking water and burns enough electricity to keep 14 light bulbs glowing for an hour. Scaled across hundreds of millions of daily prompts, that adds up to nearly 40 million gallons of water and 40 […]
Power on Your Roof: How Rooftop Solar is Reshaping India’s Energy Future

This month, we spotlight one of India’s most promising energy shifts: rooftop solar. As the country races toward energy independence and climate goals, rooftop solar is emerging not just as a green solution, but a financially sound one for homes, businesses, and institutions. With falling costs, generous government subsidies, and a growing network of service […]
Carbon Accounting & Management: A Strategic Edge for Future-Ready Businesses

In our last edition, we explored the evolving landscape of carbon markets — systems that enable companies to trade emissions and invest in offsets. This time, we zoom in on the foundation that makes credible climate participation possible: carbon accounting and management. Why Carbon Accounting and Management matters Before a company can offset emissions, it […]
Ostara April Newsletter: Deal Announcements, Media Highlights & A Deep Dive into Carbon Markets

We are happy to share with you that Ostara advised Routematic, a Blume Ventures Fund 1 company, on a landmark fundraise—testimony to entrepreneurial grit and perseverance—bringing in climate capital from global investors. Please read more about it here. Now, let us dive into the complex, compelling, and fast-evolving world of carbon markets. As the world races to […]
