Keeling Curve - data collected by NOAA in Mauna Loa Observatory shows increase of CO2 over the past 60 years due to an increase in industry (14%), fossil fuel combustion (32%), and electricity use (38%).
Wisconsin Lakes - data collected in Lake Monona show that the span of the lake staying frozen has decreased over the past 50 years by about 29-35 days each year.
Montana Glaciers - data collected via repeat photography conducted by the USGS have to track how glaciers have move or decreased in size over the last 150 years; in Glacier National Park, there were 150 named glaciers in 1850 while today there are 26 still persisting.
Ice Caps - data collected by remote sensing by the Polar Science Center shows an overall decrease in Arctic sea ice volume since 1979 due to the positive feedback that less ice lowers the Earth's albedo, so the ocean absorbs more sunlight which n turn melts more ice.
Emerald ash borer
An organism that is introduced into a new ecosystem outside of its native habitat.
An organism that has an adverse effect on people like harming humans.
An organism that has an adverse effect on the new habitat like eating the food source of a native species.