April 2026

Support CleanTechnica's work through a Substack subscription or on Stripe. Earth Day is supposed to be a moment to take stock of environmental progress. To celebrate the wins and track  the distance still to go. This year in the…

Tether (USDT) hit an all-time high market cap of $188Bn on April 21, 2026, widening its lead over Circle’s USDC, which sits at $78.25Bn, following a $285M hack of Solana-based Drift Protocol. The gap between the two stablecoins has…

Coinbase’s quantum computing advisory board has released its first formal assessment of blockchain security, and two names stand out: Algorand and Aptos. According to the advisory group, which draws expertise from Stanford University,…

Support CleanTechnica's work through a Substack subscription or on Stripe. Every once in a while, reading articles at CleanTechnica, I feel an urge to overcome my reluctance to put myself into the spotlight by writing about my own…

DoorDash crypto will soon be a thing after the delivery firm announced it is integrating stablecoin payment functionality via Tempo, a payments-focused Layer-1 blockchain backed by Stripe and Paradigm, enabling faster merchant payouts and…

Ripple has published a multi-phase roadmap to make the XRP Ledger resistant to quantum computing attacks, aiming to achieve full post-quantum readiness by 2028. The move comes after Google Quantum AI research confirmed that the cryptography…

Support CleanTechnica's work through a Substack subscription or on Stripe. Airline ticket prices are soaring as a consequence of the recent crisis in the Middle East. This new analysis shows that European aviation’s dependence on…

Cleanova, a global leader in advanced filtration solutions, has announced the launch of Cleanova OMNI, a patent-pending feed interface system engineered to address one of the most critical and often overlooked sources of inefficiency in…

On April 19, 2026, a new highwall mining machine was formally inaugurated at the Sharda Open Cast Mine (Sharda OCM), located in South Eastern Coalfields Ltd (SECL)’s Sohagpur Area. SECL is part of state owned coal mining giant Coal…

Support CleanTechnica's work through a Substack subscription or on Stripe. How to make European ports future-proof in the next review. The maritime sector accounts for 3% of the EU’s total CO2 emissions, amounting to 145.2 million…