[DOC] [TLE] Ice age - Wikipedia [PAR] An ice age is a period of long-term reduction in the temperature of Earth's surface 
and atmosphere, resulting in the presence or expansion of continental and polar 
ice sheets and alpine glaciers. Within a long-term ice age, individual pulses of 
cold climate are termed ... By this definition, we are in an interglacial periodthe 
Holoceneof the ice... [DOC] [TLE] Timeline of glaciation - Wikipedia [PAR] There have been five known ice ages in the Earth's history, with the Earth 
experiencing the Quaternary Ice Age during the present time. Within ice ages, 
there exist periods of more severe glacial conditions and ... Originally, the glacial 
and interglacial periods of the Quaternary Ice Age were named after 
characteristic... [DOC] [TLE] 4A: Glacial Ages - SERC [PAR] Sep 4, 2015 ... For example, Earth was entirely ice-free and temperatures were hot enough ... (
warm period) within a glacial age. ... Interglacial periods, like the one we are in 
now, are typically spaced apart by hundreds of thousands of years. ... changes in 
Earth's orbit to long-term changes in climate, including ice ages. [DOC] [TLE] What does past climate change tell us about global warming? [PAR] We have had ice ages and warmer periods when alligators were found in ... been 
warmer than the present despite CO2 levels being lower than they are now. ... 
Those times were caused by large and rapid greenhouse gas emissions, just ... 
sensitive than realised which means the climate response to CO2 forcing will be
... [DOC] [TLE] Ice Ages and Global Warming - How Glaciers Work | HowStuffWorks [PAR] They refer to this as "snowball Earth" [source: Scientific American]. ... Within each 
long ice age are periods of relative warmth, when glaciers ... No one is 
completely sure what causes these long cyclical changes in Earth's climate. ... All 
those prior ice ages and warming periods were caused by natural events, ... Sign
-up Now! [DOC] [TLE] Past Climate Cycles: Ice Age Speculations [PAR] History of research on ice age climate cycles. ... What could explain the change 
from a warm to a glacial epoch, and the cycling of ice ages within ... Davis 
believed he saw a pattern, in which the warm interglacial periods were long .... As 
one of them remarked ruefully, "one does not make wood carvings with a 
butcher's knife... [DOC] [TLE] Global Warming:A Chilling Perspective - Table of Contents [PAR] These warm periods, called interglacial periods, appear to last approximately ... 
During Ice Ages winters were longer and more severe and ice sheets grew to ... 
During the last 3 million years glaciers have at one time or another covered about 
29% ... Thanks to global warming, that has all now changed, at least temporarily. [DOC] [TLE] NOVA - Official Website | What Triggers Ice Ages? - PBS [PAR] Jan 1, 1997 ... Earth's climate naturally fluctuates between warm periods and ice ... Although the 
exact causes for ice ages, and the glacial cycles within them, have not been 
proven, ... in the Earth's geography were the primary cause of the latest long-term 
... One mechanism proposed as a cause of this decrease in carbon... [DOC] [TLE] An Ice Age [PAR] Usually, they mean the last one, the Wisconsinan, which occurred near the end of 
the Pleistocene epoch. ... But what exactly is meant by this term? Ice ages may be 
simply defined as periods of exteme cooling, with the most ... Traditionally, it was 
thought that there were four principal cold stages, called "the" ice ages; these... [DOC] [TLE] Global Warming Natural Cycle  OSS Foundation [PAR] This shifting in and out of warm periods and ice ages is correlated strongly with 
Milankovitch cycles. ... cycle and human-caused/influenced global warming, one 
needs to consider changes in ... We are now deviating from the natural cycle. ... 
These cycles increase and decrease the amount of solar forcing imposed within 
our... [DOC] [TLE] Milankovitch Cycles  OSS Foundation [PAR] These orbital and axial variations influence the initiation of climate change

Question: This term refers to the warm periods within ice ages; we're in one of those periods now
Answer: interglacial