One embodiment provides a modular green roof tray, house plant growth media and horticulture growth media, and a tree protection mat for weed and moisture control made from recycled disposable diapers. The growth medium and tree protection mat contain superabsorbent materials from diaper that can absorb waters and greatly reduce irrigation so to provide a drought resistant feature. One embodiment also provides a manufacturing process to perform 100% recycling of disposed diapers.

There is disclosed a water treatment apparatus for treating stormwater, the water treatment apparatus comprising a volume of filter media, a baffle and an inlet conduit. The baffle extends upwards from the volume of filter media and defines a pre-treatment zone on one side of the baffle and a treatment zone on an opposing side of the baffle. The inlet conduit opens into the pre-treatment zone and is separated from the treatment zone by the baffle. The baffle is configured to regulate a flow of stormwater received via the inlet conduit by controlling the passage of stormwater from the pre-treatment zone to the treatment zone.

There is disclosed a water treatment apparatus for treating stormwater, the water treatment apparatus comprising a volume of filter media, a baffle and an inlet conduit. The baffle extends upwards from the volume of filter media and defines a pre-treatment zone on one side of the baffle and a treatment zone on an opposing side of the baffle. The inlet conduit opens into the pre-treatment zone and is separated from the treatment zone by the baffle. The baffle is configured to regulate a flow of stormwater received via the inlet conduit by controlling the passage of stormwater from the pre-treatment zone to the treatment zone.

Disclosed is a grass protection mat comprising a body where grass passing spaces are continuously arranged and an outer frame comprising four frames formed in four directions to finish an outer edge of the body, wherein the grass protection mat further comprises at least one hook fastener which horizontally protrudes from a first lateral frame of the outer frame toward a second lateral frame of an outer frame of a neighboring grass protection mat, and wherein the at least one hook fastener is fastened to at least one fastening hole provided in the outer frame of the second grass protection mat adjacent to the first lateral frame and corresponding to the hook fastener of the grass protection mat.

Disclosed is a grass protection mat including: a plurality of bodies formed with grass passing spaces; and one or more contraction-expansion compensatory connector(s) connecting the plurality of bodies and compensating for contraction or expansion of the mat units.

A roof-greening cassette, at least partially or predominantly having walls and/or bases made of (porous) material having pores, the porous material having the following properties: (a) a water absorption of 15 to 30 liters/m.sup.2 in the case of a material thickness of 30 mm, and (b) a water permeability normal to the plane of 8 to 16 liters/(m.sup.2 s), in the case of a water column of 200 mm and a material thickness of 30 mm.

A roof-greening cassette, at least partially or predominantly having walls and/or bases made of (porous) material having pores, the porous material having the following properties: (a) a water absorption of 15 to 30 liters/m.sup.2 in the case of a material thickness of 30 mm, and (b) a water permeability normal to the plane of 8 to 16 liters/(m.sup.2 s), in the case of a water column of 200 mm and a material thickness of 30 mm.

A method of installing a green roof planter assembly includes providing first and second planter modules each including a bottom wall and a plurality of side walls that cooperate with the bottom wall to form an interior space adapted to receive plant matter therein, wherein at least a pair of the plurality of side walls cooperate to form a corner therebetween, the corner defining a length therealong, and each planter module including a first relief located along the length of the first corner, positioning the corners of the planter modules proximate one another, providing a coupling member, and inserting the coupling member into the reliefs of the planter modules, thereby inhibiting vertical movement of the planter modules with respect to one another.

A method of installing a green roof planter assembly includes providing first and second planter modules each including a bottom wall and a plurality of side walls that cooperate with the bottom wall to form an interior space adapted to receive plant matter therein, wherein at least a pair of the plurality of side walls cooperate to form a corner therebetween, the corner defining a length therealong, and each planter module including a first relief located along the length of the first corner, positioning the corners of the planter modules proximate one another, providing a coupling member, and inserting the coupling member into the reliefs of the planter modules, thereby inhibiting vertical movement of the planter modules with respect to one another.