rain or other forms of precipitation that is unusually acidic.
any long-term change in weather statistics over decades or millions of years.
the most abundant greenhouse gas (CO2) emitted from fossil fuels.
an extended period when a region receives very little rain.
a natural area/environment where interdependent organisms (plants, animals and micro-organisms) are functioning together.
released into the environment.
a temperature scale in use in the USA. 0C (Celcius) = 32F (Fahrenheit).
an overflow or accumulation of an expanse of water that submerges land.
the process estimating future weather patterns. “Prediction” is a similar term.
the increase in the average temperature of the Earth near-surface, air and oceans since the mid-20th century and its projected continuation.
gases in the atmosphere that absorb and emit radiation. The greenhouse effect is the heating of the surface of the Earth due to the presence of greenhouse gases.
the scientific study of the atmosphere.
rainwater (atmospheric water vapor deposited on the surface of the Earth.)
disturbances of the atmosphere with severe weather, marked by strong wind, thunder (thunderstorm) and lightning, heavy precipitation, with ice (ice storm), strong winds (as in a dust storm, snowstorm, hailstorm, etc.)
the rising of oceans caused by tidal forces of the Moon and the Sun.
a set of all the phenomena occurring in the atmosphere at a given time.
an area of land soil saturated with moisture either permanently or seasonally.
cyclone, hurricane (start in the tropics), typhoon (Pacific Ocean), tornado (mostly in US), monsoon (typically in Indian Ocean and Southern Asia), jet stream (rapidly moving air)