[DOC] [TLE] Global Warming Causes, Climate Change Causes - National ... [PAR] Learn about what causes Global Warming at National Geographic. ... The only 
way to explain the pattern is to include the effect of greenhouse gases ... 
scientists learned is that there are several greenhouse gases responsible for 
warming, and ... The gas responsible for the most warming is carbon dioxide, 
also called CO2. [DOC] [TLE] Empirical evidence that humans are causing global warming [PAR] The proof that man-made CO2 is causing global warming is like the chain of ... 
The effect is exactly the same as wrapping yourself in a blanket  it reduces heat 
loss from ... In physics, these wavelengths can be measured using a technique 
called .... "here is a clear empirical evidence that CO2 is rising, CO2 causes 
warming... [DOC] [TLE] Are the ozone hole and global warming related? : Climate Q&A : Blogs [PAR] Sep 14, 2010 ... The ozone hole and global warming are not the same thing, and neither is the 
main cause of the other. ... The ozone hole itself has a minor cooling effect (about 
2 percent of the warming effect of greenhouses gases) ... The loss of ozone 
means slightly more heat can escape into space from that region. [DOC] [TLE] Causes - Climate Change: Vital Signs of the Planet: Causes [PAR] Most climate scientists agree the main cause of the current global warming trend 
is ... of the "greenhouse effect"  warming that results when the atmosphere 
traps heat ... to changes in temperature are described as "forcing" climate change
. [DOC] [TLE] Why does CO2 get most of the attention when there are so many ... [PAR] Global warming is primarily a problem of too much carbon dioxide in the 
atmosphere. ... [3] This literally means that the heat-trapping emissions we 
release today from our cars and ... The net effect is that most of the outgoing 
radiation is kept within the atmosphere .... The Causes of Global Warming: A 
Global Warming FAQ. [DOC] [TLE] Global Warming Science | Union of Concerned Scientists [PAR] Scientists know that certain gases trap heat and act like a blanket to warm the ... 
Sun's Effect on Climate  Does Snow and Cold Weather Disprove Climate 
Change? ... How Do We Know that Humans Are the Major Cause of Global 
Warming? [DOC] [TLE] Causes of Global Warming: the Human Impact [PAR] The Earth maintains a habitable temperature due to the Greenhouse Effect, 
which allows heat from the ... Greenhouse gases are naturally occurring gases 
that pose no harm when they are in balance. [DOC] [TLE] The main cause of global warming | Time for change [PAR] A major cause of global warming is the attitude of mankind to Nature. ... So 
heating up the water of the oceans does release some of the CO2 ... is clearly a 
conversion of CO2 into oxygen (O2) and sugar (C6H12O6) called 
photosyntheses. ... Who is saying that all global warming periods have been 
caused by the same effect... [DOC] [TLE] Global Warming -- Research Issues - Stanford Solar Center [PAR] Does the Sun cause global warming or climate change? ... Studies indicate that 
the average global surface temperature has increased by approximately ... These 
greenhouse gases reabsorb heat reflected from the Earth's surface, thus ... 
globally averaged net effect of human activities since 1750 has been one of 
warming. [DOC] [TLE] Global Warming 101 | NRDC [PAR] Mar 11, 2016 ... Q: What causes global warming? ... That's what's known as the greenhouse effect
. ... is the largest source of heat-trapping pollution, producing about two billion ... 
In 2015, for example, scientists said that an ongoing drought in... [DOC] [TLE] Causes of Climate Change | Climate Change Science | US EPA [PAR] The greenhouse effect causes the ... that amplify changes are called... [DOC] [TLE] Causes of Global Warming - Live Science [PAR] Dec 22, 2014 ... Since the late 1700s, the world's climate has been changing rapidly, mostly due 
to human causes. ... It doesn't do that," said atmospheric scientist Adam Sobel, 
author of ... In addition to heat waves, the increase in global temperature is

Question: Heating "effect" that's said to be at the root of global warming
Answer: Greenhouse Effect