As plants mature and grow leaves that provide shade, the biodegradable mulch vanishes from the soil, providing a secondary solution to passive greenhouse cooling. “Most commercial mulch is plastic and ...

While the most basic greenhouses may just be four glass or heavy-duty plastic walls and a roof ... These systems may run on passive solar power, which is a greenhouse manufacturing approach ...

She built a greenhouse ADU out of ... heat pump that circulates air to enhance passive solar heating. The ADU's roof is also covered with transparent polycarbonate sheets that allow sunlight ...