Clean Tech

Phoenix Tailings is Building the U.S. Supply Chain for Waste-free, Net-zero Rare-earth Metals

As the United States looks to strengthen domestic manufacturing, reduce dependence on foreign supply chains, and accelerate the energy transition, critical minerals have become...

Clean Energy Powers 40% of Global Electricity in 2024: Milestone Report

It is quite easy to get depressed about the state of the world these days – so some good news is welcome. And though...

UK’s £10 Million Study: Can Blocking the Sun Reverse Global Warming?

Many years back I was sitting on the couch and thinking of ways to reduce what we used to call global warming – now...

How UAV Aerial Surveys Are Changing Environmental Monitoring

Drones, also known as Unmanned Aerial Vehicles (UAVs), are changing the world. Termed as a revolution in the technology world, environmental monitoring is a major sector...

Cleantech San Diego Wins Wells Fargo IN2 Strategic Award to Pilot Voucher Program for Startups

On April 8, 2025, the Wells Fargo Innovation Incubator (IN2), an energy technology program funded by Wells Fargo and co-administered by the U.S. Department of...

Hot Takes: Emerging Trends in the Climatetech Funding Landscape as of Q1 2025

Hosting investor roundtables at Greentown Labs is like getting a backstage pass to the future of climatetech—where optimism meets reality checks, and everyone’s obsessed...

From Fishing Nets to Fashion: Return to Vendor Decarbonizes Clothing with Enhanced Nylon

The fashion industry is responsible for 2 to 8 percent of global carbon emissions, and more than 100 billion tons of clothing are thrown...

Aged Human Urine: A Pungent Pesticide and Eco-Friendly Fertilizer

Think about a garden thriving without traditional fertilizers, or a pesticide that does not contaminate the earth with toxic chemicals. Well it turns out...

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