Plants have natural sunscreens: Plants produce a variety of pigments that help to protect them from the sun's UV rays. These pigments include chlorophyll, carotenoids, and anthocyanins. Chlorophyll is the green pigment that is responsible for photosynthesis, the process by which plants convert sunlight into energy. Carotenoids are yellow, orange, and red pigments that are also involved in photosynthesis. Anthocyanins are red, purple, and blue pigments that are produced in response to environmental stress, such as high levels of UV radiation.

Plants can repair UV damage: If plants do get damaged by UV radiation, they have the ability to repair the damage. This is done through a process called photorepair, which involves the use of enzymes to repair damaged DNA.

Plants have a thick cuticle: The cuticle is a waxy layer that covers the surface of plant leaves. This layer helps to protect the leaves from water loss and also helps to block out UV radiation.

Plants can adjust the angle of their leaves: Some plants can adjust the angle of their leaves in order to avoid direct sunlight. This is an important adaptation for plants that live in areas with high levels of UV radiation.

While plants do have a number of adaptations that help to protect them from the sun, they can still be damaged by UV radiation. For this reason, it is important to protect plants from excessive sun exposure, especially during the hottest parts of the day.