Källa: motherearthnews. Consider one of these innovative and attractive options instead of old-fashioned concrete.
Although concrete lasts a long time — creating durable patios, driveways and roads, plus foundations for houses — the production of concrete takes a lot of energy. And that’s not the only problem with concrete: Whenever the ground is covered with it, rain doesn’t seep into the soil. As the rain accumulates and water starts flowing off the concrete, it can create problems. But materials are now available to provide a solid base and still allow water to seep through. Läs artikeln här.