Clear plastic storage boxes make great DIY mini-greenhouses. They're cheap, keep the cold out, and let the sun in. Drill a ...

In a world where the climate is increasingly hot and volatile, farmers are having trouble keeping their crops cool. A startup founded in the desert of Saudi Arabia thinks it might have a solution.

Plastic sheeting is used as a covering to help let in plenty of light while keeping the cold out. The greenhouse is also heated, and can maintain a 40 deg F temperature differential with 14,000 BTUs.

You’ll need wood for the frame, and clear plastic sheeting or glass for the exterior covering to allow sunlight to reach your plants. Wrap the Greenhouse in Plastic: Use the 6-mil plastic vapor ...