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 ...

There's nothing quite like watching birds splash around in your backyard birdbath on a hot summer day. But if you've ever maintained one, you know the frustration of checking on it only to find murky ...

If algae seems to spring up in your bird bath overnight, prevention may be the best approach. This safe, natural powder can ...

Is there algae growing in your birdbath? Don't let it linger — proper placement, regular cleaning, and smart maintenance make ...

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 ...

You can easily deep clean a wooden fence by using only simple ingredients you likely already have in your kitchen.

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

Fortunately, there's a straightforward way to banish the unwelcome green growth in as little as five minutes, using just two ...

As vinegar is naturally acidic, it effectively kills and eliminates green algae, while also doubling as an excellent weed ...

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 ...

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 ...

Don’t let green slime ruin your summer – make sure your garden is hosting-ready with these easy hacks ...