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 […]
The Rise of Climate Queens: Women Transforming Climate Tech
On March 8, we celebrated International Women’s Day, a moment to reflect on the invaluable contributions of women in all fields. At Ostara, we are privileged to collaborate with women founders, investors, and policymakers driving innovation in the climate-tech space. Time and again, we see that women bring a deep sense of ownership and an […]
Treasure Beneath Our Feet: Geothermal Energy!
Hidden beneath the Earth’s surface lies an untapped powerhouse—geothermal energy. Unlike solar and wind, which rely on weather conditions, geothermal energy provides a steady and reliable source of power, making it an unsung hero in the clean energy revolution. Let’s explore its two game-changing applications: Crucial Applications of Geothermal Energy Electricity Generation: The Unshakable Backbone […]
Top 3 Climate Tech Trends for 2025
Dear Reader, As we step into 2025, the urgency of addressing climate change has never been more pronounced. From devastating wildfires to unpredictable weather patterns, we are all now constantly dealing with climate change, even if it doesn’t look obvious all the time! Despite recent announcements by the US administration, the global shift toward sustainable […]
