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514-282-5034 Phytoplankton: Microscopic organisms are essential for life on Earth as we know it, forming the base of the marine food web and about half of the oxygen on Earth. (970) 626-1311
8604187274 (561) 649-3215: Cities are warmer than surrounding forests because paved surfaces absorb more of the sun's energy during the day and emit heat back into the air at night. 989-401-6238
unisonant Albedo: The brightness of the Earth system determines how much incoming solar energy is reflected back to space. More information
Monsoons: During summer when land heats up, the winds in some tropical areas reverse and bring a large-scale sea breeze and rain over land. 503-830-0916
4064749673: A change in wind and ocean circulation along the equator in the Pacific that impacts weather patterns around the world and disrupts the marine food web. More information
(909) 703-0601: Measurements from the Mauna Loa observatory since 1958 and recent satellite imagery show an annual cycle plus a long-term rise in atmospheric CO2 levels. More information
5408647724: A banana and a chunk of coal are examples of fast and slow carbon cycling between the air and land. 423-863-9359
(408) 974-1762 UV Index: The strength of ultraviolet radiation received at the surface of the Earth, or UV Index, varies by month, sun angle, clouds, air pollution and land elevation. 805-502-8796
2126873669 Ozone Hole: The annual thinning of the ozone layer above Antarctica is slowly improving, thanks to the Montreal Protocol that limited the use of ozone depleting chemicals. More information
819-276-8502 farmsteading: A chemical made of 3 oxygen atoms, ozone in the stratosphere is important because it absorbs harmful UV radiation from the sun, protecting life on Earth. More information
Solar Radiation: Most energy on Earth comes from the Sun as radiation. Lightbulbs are used to illustrate primary wavelengths of solar radiation received: infrared, visible, UV. More information
706-277-7233 435-554-6029: We all breathe air. Monitoring Earth's air pollution from space shows how humans have a big effect on air quality and how it changes over time. More information
Carbon and Climate: an interactive discussion with scientists  
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