Permeable Pavers: Permeable pavers allow water to pass through them, reducing runoff and preventing water pollution. They can be made from various materials such as concrete, recycled plastic, or porous asphalt. Grass Pavers: Grass pavers combine a supportive grid system with grass or other vegetation, creating a stable surface that allows water infiltration and promotes green space. Gravel: Gravel is a naturally occurring material that allows water to permeate through it, reducing runoff and preventing erosion. It's also relatively easy to install and maintain. Recycled Materials: Using recycled materials such as crushed concrete or recycled asphalt for driveways is an environmentally friendly option that reduces the demand for new resources and diverts waste from landfills. Permeable Concrete: Permeable or porous concrete contains voids or openings that allow water to seep through, reducing stormwater runoff and replenishing groundwater. Natural Stone: Some types of natural stone, such as granite or cobblestone, can be environmentally friendly if sourced locally and responsibly.