Bionavitas is making a long-term bet on cheap biodiesel from algae. But more promising today is "bioremediation," or using algae to treat polluted waste water. Martin LaMonica is a senior writer ...

Even with a fairly new roof like this, it won’t be long before the dark algae stains start making it look really bad. And it’s only going to get worse as it gets older. But here’s what you can do to ...

The experts at the Hotsy Equipment Company recommended diluting white vinegar or tea tree oil with your pressure washer.

Subscribe to the new Harvest newsletter for our latest reporting on agriculture and the environment, behind-the-scenes exclusives, and more. Chemist Susie Y. Dai and her team were trying to create a ...

Outdoor paving will brush clean without the need for harsh chemicals.

Say goodbye to scrubbing with our favorite algae-resistant designs.

Not a week goes by that I don’t get a question at the Ask Tim page on askthebuilder.com about cleaning this or that household surface. As it turns out, I happen to know lots about cleaning. I ...

NASA scientists have proposed an ingenious and remarkably resourceful process to produce “clean energy” biofuels, while it cleans waste water, removes carbon dioxide from the air, retains important ...

Not a week goes by that I don’t get a question at the Ask Tim page on AsktheBuilder.com about cleaning this or that household surface. As it turns out, I happen to know lots about cleaning things. I ...

New Resource Breaks Down Pricing From $250 to $1,000+ Based on Roof Type and Staining San Antonio, United States - May ...

Add Yahoo as a preferred source to see more of our stories on Google. The Wybot Cordless Robotic Pool Cleaner is marked down to $180 for a limited time as part of a Walmart Flash Deal. It’s a Walmart ...

Across Africa, many rural communities face a growing sanitation crisis. Wastewater treatment systems, where they exist, are often old, overloaded, or broken. In some towns, untreated sewage flows ...