A dirty roof covered with algae or dark streaks can absorb more heat from sunlight, leading to increased indoor temperatures and higher cooling costs. By keeping the roof clean, homeowners can improve ...
For stubborn spots, use a soft-bristled brush to gently scrub off debris. It’s best to avoid anything abrasive that might damage the roof’s finish. If algae or mold has taken hold, use a ...
California's Clear Lake is so overwhelmed by an algae bloom that the potentially deadly spread has been spotted from space. The bright green spread was spotted in new satellite imagery taken by ...