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of or related to the influence of human beings.
the variation of life forms within a given ecosystem.
synthetic compounds containing carbon, chlorine, and fluorine that are used in refrigerants, propellants, the manufacture of foams, and cleaning solvents.
Relatively stable community at the end of succession
the recent and ongoing global average increase in temperature near the Earth's surface
the warm air found around and above an urban area, distinct from the air temperature above the surrounding rural land.
large amounts of methane trapped within a crystal structure of water, forming a solid similar to ice.
a region of the stratosphere over Antarctica (and a smaller one over the Arctic) that is depleted of ozone in the local spring.
ground that is permanently frozen.
a discrete small quantity of electromagnetic radiation. All matter absorbs and emits photons.
a region in the uppermost atmosphere where temperature increases along with the altitude due to the absorption of solar ultraviolet radiation by ozone.
a layer in Earth's atmosphere located in the lower portion of the stratosphere (from approximately 8-12 miles [13 km-20 km] above the surface) that contains relatively high concentrations of ozone (O3) and absorbs u…
a three-dimensional pattern of ocean circulation driven by wind, heat, and salinity that is an important component of the ocean-atmosphere climate.
the lowest portion of Earth's atmosphere; contains approximately 75% of the atmosphere's mass and 99% of its water vapor and gasses.
a long-wavelength ultraviolet ray from the sun. Known as the "aging" rays in the UV spectrum that can harm the skin.
short-wave UV radiation that causes eye damage and skin cancer in humans and animals and damages the photosynthetic pathways of plants.
shortest wavelength of ultraviolet radiation; contains the highest energy and poses the greatest risk to the planet. This wavelength of UV radiation is absorbed by the upper atmosphere (ozone layer) and does not reach the Earth's surface.
Green house Effect
the effect of green house gasses
Green house gasses
chemicals let into the air by things like cars
a place that filters harmful things and keeps good ones!