A helicopter carries a water bucket to fight a wildfire near Richfield, Utah. (Photo by harpazo_hope via Getty Images) When wildfire smoke is in the air, doctors urge people to stay indoors to avoid ...

Add Yahoo as a preferred source to see more of our stories on Google. Millicent Harvey's close up of smoke tree bloom. “To know the smoke tree is an experience; but one cannot know it at its ...

Exposure to megafire smoke can reduce yields of almond, walnut and pistachio trees. Study shows smoke reduces a tree's energy reserves long after a fire ends. Long-term smoke exposure from massive ...

Long-term smoke exposure from massive wildfires lowers the energy reserves of orchard trees and can cut their nut production by half, researchers at the University of California, Davis, found. The ...

They may respond a bit like us, it turns out: Some trees essentially shut their windows and doors and hold their breath. Plants have pores on the surface of their leaves called stomata. These pores ...

The Blooming Of Desert Annuals Is Over, but not that of the region's stolid desert willows and smoke trees. Rooted in the beds of dry washes throughout Anza-Borrego’s lower valleys, both plants gather ...

Almond trees bloom in mid- to late February in Central California, and it’s a big deal — pollinating them is the largest managed pollination event in the world. Some 1.4 million beehives come to the ...

Long-term smoke exposure from massive wildfires lowers the energy reserves of orchard trees and can cut their nut production by half, researchers at the University of California, Davis, found. The ...

When wildfire smoke is in the air, doctors urge people to stay indoors to avoid breathing in harmful particles and gases. But what happens to trees and other plants that can’t escape from the smoke?

Researchers at UC Davis found that long-term smoke exposure from massive wildfires lowers the energy reserves of orchard trees and can cut their nut production by half. The smoke can affect trees for ...