What would the earth be like with out the greenhouse effect?
599595
It would be like Mars.  Mars has an atmosphere, enough that it has wind, dust devils and giant sandstorms.  However, there is not enough incoming solar radiation (aka insolation) trapped by the atmosphere to keep it warm.
23702
Global warming is an increase in the average temperature of the Earth's atmosphere and oceans. The term is also used for the more specific scientific theory of anthropogenic global warming, which states that much of the recent observed (and projected) global warming is human-induced and the result of a strengthened greenhouse effect caused by man-made increases in carbon dioxide (through the burning of fossil fuels and deforestation) and other greenhouse gases. The natural greenhouse effect keeps the Earth 30 °C warmer than it otherwise would be; adding carbon dioxide to an atmosphere, with no other changes, will make a planet's surface warmer. Current research tries to uncover more details, e.g. about positive and negative feedback mechanisms, to allow a more precise quantification of the effect.
156572
Global warming is an increase in the average temperature of the Earth's atmosphere and oceans. The term is also used for the scientific theory of anthropogenic global warming, which attributes much of the recently observed and projected global warming to a human-induced intensification of the greenhouse effect. In this theory, the increased volumes of carbon dioxide and other greenhouse gases released mainly by the burning of fossil fuels, and, to a lesser extent, land clearing and agriculture, are the primary sources of warming. The natural greenhouse effect keeps the Earth about 33 °C warmer than it otherwise would be; adding carbon dioxide to an atmosphere, with no other changes, will make a planet's surface warmer. Current research is attempting to further illuminate and quantify the processes and factors that can affect temperature change, especially positive and negative feedback mechanisms.
736647
Well the sun is getting hotter and will continue to do so until most of  the hydrogen is converted to helium it will then expand to become a red giant. \n\nHowever the effects of this will be minute compared to processes on the earth, IE its tilt, orbit, and mankind's carbon emissions and of cause the deforestation. It must be remembered that we are in an interglacial period and the earth has been a lot warmer than it currently is. The problem is that the increase in temperature is the largest in thousands of years. BUT, when the last ice age finished the temperature rise in approx 50 years was much higher than our rise in 200 years so it is all relative.\n\nThe "freak" weather conditions on other planets may well be perfectly normal for them, remember at best we have only had probes in regular orbits around the other planets for at best 20 years with the resolution capacity to take images that show them.\n\nThe biggest problem is that although in UK we have large taxes on fuel much bigger than any proposed tax by most over governments, there is no unified effort to get us off fossil fuels, if there was someway of getting me out of my 1.2 litre small car than fine, But whats the point when someone in an other country with a 4 litre car still pays less than me to go the same distance?
686319
The greenhouse effect is the rise in temperature that the Earth experiences because certain gases in the atmosphere (water vapor, carbon dioxide, nitrous oxide, and methane, for example) trap energy from the sun. Without these gases, heat would escape back into space and Earth’s average temperature would be about 60ºF colder. Because of how they warm our world, these gases are referred to as greenhouse gases.
1030581
Over the years, some of the gases like carbon dioxide have accumulated more than they should in the earth's atmosphere.. these gases are called green house gases and cause a effect known as green house effect....\nWhen radiation from sun rebound from earth surface some of them are absorbed and rest escapes to space.... but these greenhouse gases absorb more than what is good for earth.. and have slowly raised the temperature.....\nThis effect is called global warming and is causing eccessive melting of snow in antartica.
1074251
Simple answer: Carbon dioxide and other "greenhouse gases" get caught up in the upper levels of earth's atmosphere. When rays from the sun enter earth's atmosphere they pass through to the earth's surface and are supposed to reflect off the earth back into space but do not because the greenhouse gases trap them in the atmosphere.  This causes the earth to heat up due to the cosmic radiation in these rays.
224493
Energy. That is the concern over the greenhouse effect, that energy will be trapped in the atmosphere raising temperatures. The average surface temperature of the earth would be -18 degrees zero without a greenhouse effect and 72 degrees zero without a biosphere which counteracts the Greenhouse effect.
393960
Well, assuming you mean that the Sun just went out, but the Earth keeps orbiting:  probably for a little while.\n\nThe temperature would fall pretty quickly, though the oceans would give us a little reprieve; temperatures would remain livable near the oceans longest, and would be coldest inland.  Meanwhile, every photosynthesizing plant would eventually die from lack of sunlight, and soon every land animal would freeze or starve to death.  Even with modern technology, I doubt the last humans could make it for a couple of months.  Eventually, the atmosphere would rain, then freeze onto the surface, while the oceans would eventually freeze solid, or nearly so.  It would not be pretty.\n\nI've included two relevant links below:
318949
Depends on what period during the Precambrian.  \n\nVery early in the Precambrian, the atmosphere would have been unbreathable.  It also would have been unsurvivably hot.\n\nLater, it would have poured rain constantly for about a million years or so just after the Earth cooled enough for water vapour to become liquid water, hit the hot Earth and get vapourized again.\n\nBut after live began to evolve, and photosynthesis created the oxygen atmosphere we know and love today, it probably would have been quite nice to visit.\n\nAs long as you weren't there on one of the occasions when a giant asteroid hit the Earth (about every 100 million or so), or during one of the period ice ages (one ice age about 800 million years ago appears to have covered the entire planet in ice - although eccentricities in the Earth's orbit may have created a rotating seasonal hole of open water near the Equator).\n\nThe biggest dangers would have been boredom and starvation.\n\nOn land there would be no life at all for several hundred million years at least.  Not even lichen or moss.  No plants, no insects, nothing.  Same with the oceans.  Maybe a few mats of floating algae and some squiggly worms in the mud.  Nothing else, not even a crab or jellyfish.  Certainly nothing that could eat you.\n\nBecause there was no life on land, the soils would have been very very poor in organic content.  Any plants you brought with you would have difficulty growing unless you brought plenty of fertilizer and nutrients, so I hope you brought lots of Twinkies.\n\nSome of the scenery would no doubt be spectacular.  Huge expanses of open terrain without a single plant, bird or bug to make a peep.\n\nSo a very nice to place to visit, but you wouldn't want to live there.
364195
None of us would have to worry about what we going to do the next day because we would all be dead.\n\nWhat would happen if the Earth stopped spinning?\nThe probability for such an event is practically zero in the next few billion years. If the Earth stopped spinning suddenly, the atmosphere would still be in motion with the Earth's original 1100 mile per hour rotation speed at the equator. All of the land masses would be scoured clean of anything not attached to bedrock. This means rocks, topsoil, trees, buildings, your pet dog, and so on, would be swept away into the atmosphere. \n\nIf the process happened gradually over billions of years, the situation would be very different, and it is this possibility which is the most likely as the constant torquing of the Sun and Moon upon the Earth finally reaches it's conclusion. If the rotation period slowed to 1 rotation every 365 days a condition called 'sun synchronous', every spot in the Earth would have permanent daytime or nighttime all year long. This is similar to the situation on the Moon where for 2 weeks the front-side is illuminated by the Sun, and for 2 weeks the back side is illuminated. This situation for the Earth is not the condition of 'stopped' rotation, but it is as close as the laws of physics will let the Earth get. \n\n \n\nIf it stopped spinning completely...not even once every 365 days, you would get 1/2 year daylight and 1/2 year nightime. During daytime for 6 months, the surface temperature would depend on your latitude, being far hotter that it is now at the equator than at the poles where the light rays are more slanted and heating efficiency is lower. This long-term temperature gradient would alter the atmospheric wind circulation pattern so that the air would move from the equator to the poles rather than in wind systems parallel to the equator like they are now. The yearly change in the Sun's position in the sky would now be just its seasonal motion up and down the sky towards the south due to the orbit of the Earth and its axial tilt. As you moved along constant lines of Earth latitude, you would see the elevation of the Sun increase or decrease in the sky just as we now see the elevation of the Sun change from a single point on the Earth due to the Earth's daily rotation. \n\nFor example, if you were at a latitude of +24 degrees North in the Summer and at a longitude where the Sun was exactly overhead, it would slide gradually to the horizon as Fall approached, but since the Sun has moved 90 degrees in its orbit, it would now be due west. Then as we approach Winter, you would now be located on the dark side of the Earth, and would have to travel in longitude to a location 180 degrees around the Earth to see the Sun 1/2 way up the sky because in the Winter, the Sun is 48 degrees south of its summer location in the sky. It's a little confusing, but if you use a globe of the Earth and orient it the right way, you can see how all this works out. \n\nAs for other effects, presumably the magnetic field of the Earth is generated by a dynamo effect that involves its rotation. If the Earth stopped rotating, it's magnetic field would no longer be regenerated and it would decay away to some low, residual value due to the very small component which is 'fossilized' in its iron-rich rocks. There would be no more 'northern lights' and the Van Allen radiation belts would probably vanish, as would our protection from cosmic rays and other high-energy particles. This is a significant biohazard.
492704
it would incease exponentially... plants take in the CO2 and produce oxygen.  We take in oxygen and produce CO2.  without plants, we would die.\n\namaya is wrong by the way
472817
I think it would help in your theory,due to more greenhouse gasses would be assimilated by more trees.\n\npart of the problem with global warming is that much of the planets eco systems are being destroyed without being replendished (south america tree harvesting)
260369
No but it would affect existence on the planet! There is a delicate balance to be maintained and if polar ice caps melted, this balance would be tipped over.  You can certainly expect weird weather.
727739
first of all we'd need a little over 8 minutes to notice it had disappeared, after it had disappeared.\n\nthen it would be night time for all\n\ntemperatures would start falling. And instead of rising again with the next sunrise, they would continue falling.  Pretty soon even hot regions would reach negative temperatures.  Which would take its toll on plants, animals, and human beings (just imagine huge shantytowns w/o any heating, millions of human beings).\n\nin the richer world, and where we have seasons, we'd turn on the heating and make do.  It would not be fun living in the dark all the time, but people North of the North Pole do it in the winter, and they survive.  And Canadians, Fins, are organised to take very cold temperatures for extented periods of time.\n\nStill, many major cities would quickly suffer huge numbers of deaths (for how long can you overheat enough buildings in, say, Paris, until you run out of fuel, or the temperature difference with the ouside is such that your buildings are not well insulated enough?)\n\nWith panick, despair, and permanent night, we'd obviously soon seen riots, looting, all those things.\n\nPretty soon most plant life would die off.  And as a result most animal life would die off also.\n\nGovernments would probably then work on plans to shelter a number of people underground (see Armageddon for examples of how to try to do it).\n\nOnce you'd have people in shelters, you could dig down further hoping to get some heat from the Earth's core.\n\nBut.\n\nBut after a while, with plant life having largely disappeared altogether, we'd face huge food shortages, starting from a few months after the disaster.\n\nEven rats, or insects, need to be fed something...\n\nSo I'm not sure that much of Mankind would be left alive after at best a couple years.  Of course you could pick a rather limited number of "Survivors", and park them in some large, comfortable shelter, with a lot of canned food, and they could last for some years.\n\nMaybe we'd find some plants that really don't need any light and we could grow them for food?\n\nIt would be tough, for sure.  Remember, in the short-lived (couple months) "nuclear winters" caused by all the dust being blown up in the atmosphere by meteorite impacts, on each of the 5 mass extinctions life on Earth has seen, anywhere between 75%, and 90%, of the species disappeared...
690933
The greenhouse effect is a natural process in which gases in the upper atmosphere trap heat in the planet.  greenhouse gases is carbon dioxide.  Scientists are concerend about this because carbon dioxide is increasing, therefore intensifying the greenhouse effect.  This can lead to global warming, which might melt the ice caps at the poles and submerge coastal cities in up to 100 meters of water.
452166
The increase of the greenhouse gases --> Carbon Dioxide, CFCs, Methane! Nitrogen oxiode.\n\nGases such as carbon dioxide trap heat and since deforestion is occuring rapdily there is less trees to take in carbon dioxide so the amount of carbon dioxide increases. With the amount of carbon dioxide increased more heat is absorbed and it is stuck on the Earth. \n\nAlso another form of global warming is the depletion of the ozone layer. CFC's contains a chemical that destroys the Ozone layer and the Ozone layer is a protective shield of the Earth. It gets rid of the harmfull sun's ultraviolet rays and without the ozone layer the UV rays can freely enter the Earth.