Big trees three or more feet in diameter accounted for nearly half the biomass measured at a Yosemite National Park site, yet represented only 1 percent of the trees growing there. This means just a few towering white fir, sugar … Continue reading →
PASADENA, Calif. – A NASA-led research team has used a variety of NASA satellite data to create the most precise map ever produced depicting the amount and location of carbon stored in Earth’s tropical forests. The data are expected to … Continue reading →
*Chemicals known as oxygenated volatile organic compounds (oVOCs) affect environment, human health* About the image: Poplars, aspens, other trees provide extensive “ecosystem services.” Image credit: USDA Vegetation plays an unexpectedly large role in cleansing the atmosphere, a new study finds.